Home / 22,422.16-30,910.26-15,686.92

Finding the Fourth Proportional to 22,422.16, 30,910.26 and 15,686.92

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Solution

The fourth proportional to 22,422.16, 30,910.26 and 15,686.92 is: 21,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.16 : 30,910.26 = 15,686.92 : x
  2. Step 2: Convert to fraction form
    22,422.16/30,910.26 = 15,686.92/x
  3. Step 3: Cross multiply
    22,422.16x = 30,910.26 × 15,686.92
  4. Step 4: Simplify right side
    22,422.16x = 484,886,775.80
  5. Step 5: Solve for x
    x = 484,886,775.80/22,422.16
  6. Step 6: Final answer
    x = 21,625.34

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Half scale
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Double scale
Find fourth proportional to 22,423.16, 30,911.64 and 15,687.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.