Home / 22,781.08-31,420.91-16,729.41

Finding the Fourth Proportional to 22,781.08, 31,420.91 and 16,729.41

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Solution

The fourth proportional to 22,781.08, 31,420.91 and 16,729.41 is: 23,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.08 : 31,420.91 = 16,729.41 : x
  2. Step 2: Convert to fraction form
    22,781.08/31,420.91 = 16,729.41/x
  3. Step 3: Cross multiply
    22,781.08x = 31,420.91 × 16,729.41
  4. Step 4: Simplify right side
    22,781.08x = 525,653,285.96
  5. Step 5: Solve for x
    x = 525,653,285.96/22,781.08
  6. Step 6: Final answer
    x = 23,074.12

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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.