Home / 21,244.74-29,300.29-18,856.45

Finding the Fourth Proportional to 21,244.74, 29,300.29 and 18,856.45

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Solution

The fourth proportional to 21,244.74, 29,300.29 and 18,856.45 is: 26,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.74 : 29,300.29 = 18,856.45 : x
  2. Step 2: Convert to fraction form
    21,244.74/29,300.29 = 18,856.45/x
  3. Step 3: Cross multiply
    21,244.74x = 29,300.29 × 18,856.45
  4. Step 4: Simplify right side
    21,244.74x = 552,499,453.37
  5. Step 5: Solve for x
    x = 552,499,453.37/21,244.74
  6. Step 6: Final answer
    x = 26,006.41

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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.