Home / 29,639.28-40,882.80-17,693.28

Finding the Fourth Proportional to 29,639.28, 40,882.80 and 17,693.28

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Solution

The fourth proportional to 29,639.28, 40,882.80 and 17,693.28 is: 24,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.28 : 40,882.80 = 17,693.28 : x
  2. Step 2: Convert to fraction form
    29,639.28/40,882.80 = 17,693.28/x
  3. Step 3: Cross multiply
    29,639.28x = 40,882.80 × 17,693.28
  4. Step 4: Simplify right side
    29,639.28x = 723,350,827.58
  5. Step 5: Solve for x
    x = 723,350,827.58/29,639.28
  6. Step 6: Final answer
    x = 24,405.14

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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.