Home / 29,304.55-40,440.22-15,876.14

Finding the Fourth Proportional to 29,304.55, 40,440.22 and 15,876.14

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Solution

The fourth proportional to 29,304.55, 40,440.22 and 15,876.14 is: 21,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.55 : 40,440.22 = 15,876.14 : x
  2. Step 2: Convert to fraction form
    29,304.55/40,440.22 = 15,876.14/x
  3. Step 3: Cross multiply
    29,304.55x = 40,440.22 × 15,876.14
  4. Step 4: Simplify right side
    29,304.55x = 642,034,594.35
  5. Step 5: Solve for x
    x = 642,034,594.35/29,304.55
  6. Step 6: Final answer
    x = 21,909.04

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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.