Home / 42,253.38-58,318.92-27,915.57

Finding the Fourth Proportional to 42,253.38, 58,318.92 and 27,915.57

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Solution

The fourth proportional to 42,253.38, 58,318.92 and 27,915.57 is: 38,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.38 : 58,318.92 = 27,915.57 : x
  2. Step 2: Convert to fraction form
    42,253.38/58,318.92 = 27,915.57/x
  3. Step 3: Cross multiply
    42,253.38x = 58,318.92 × 27,915.57
  4. Step 4: Simplify right side
    42,253.38x = 1,628,005,893.58
  5. Step 5: Solve for x
    x = 1,628,005,893.58/42,253.38
  6. Step 6: Final answer
    x = 38,529.60

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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.