Home / 29,306.29-40,442.62-15,877.91

Finding the Fourth Proportional to 29,306.29, 40,442.62 and 15,877.91

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Solution

The fourth proportional to 29,306.29, 40,442.62 and 15,877.91 is: 21,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.29 : 40,442.62 = 15,877.91 : x
  2. Step 2: Convert to fraction form
    29,306.29/40,442.62 = 15,877.91/x
  3. Step 3: Cross multiply
    29,306.29x = 40,442.62 × 15,877.91
  4. Step 4: Simplify right side
    29,306.29x = 642,144,078.31
  5. Step 5: Solve for x
    x = 642,144,078.31/29,306.29
  6. Step 6: Final answer
    x = 21,911.48

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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.