Home / 22,671.22-31,288.26-13,242.82

Finding the Fourth Proportional to 22,671.22, 31,288.26 and 13,242.82

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Solution

The fourth proportional to 22,671.22, 31,288.26 and 13,242.82 is: 18,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.22 : 31,288.26 = 13,242.82 : x
  2. Step 2: Convert to fraction form
    22,671.22/31,288.26 = 13,242.82/x
  3. Step 3: Cross multiply
    22,671.22x = 31,288.26 × 13,242.82
  4. Step 4: Simplify right side
    22,671.22x = 414,344,795.29
  5. Step 5: Solve for x
    x = 414,344,795.29/22,671.22
  6. Step 6: Final answer
    x = 18,276.25

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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.