Home / 20,032.36-30,057.92-8,937.88

Finding the Fourth Proportional to 20,032.36, 30,057.92 and 8,937.88

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Solution

The fourth proportional to 20,032.36, 30,057.92 and 8,937.88 is: 13,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.36 : 30,057.92 = 8,937.88 : x
  2. Step 2: Convert to fraction form
    20,032.36/30,057.92 = 8,937.88/x
  3. Step 3: Cross multiply
    20,032.36x = 30,057.92 × 8,937.88
  4. Step 4: Simplify right side
    20,032.36x = 268,654,082.01
  5. Step 5: Solve for x
    x = 268,654,082.01/20,032.36
  6. Step 6: Final answer
    x = 13,411.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.