Home / 28,391.52-42,570.54-11,732.88

Finding the Fourth Proportional to 28,391.52, 42,570.54 and 11,732.88

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Solution

The fourth proportional to 28,391.52, 42,570.54 and 11,732.88 is: 17,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.52 : 42,570.54 = 11,732.88 : x
  2. Step 2: Convert to fraction form
    28,391.52/42,570.54 = 11,732.88/x
  3. Step 3: Cross multiply
    28,391.52x = 42,570.54 × 11,732.88
  4. Step 4: Simplify right side
    28,391.52x = 499,475,037.36
  5. Step 5: Solve for x
    x = 499,475,037.36/28,391.52
  6. Step 6: Final answer
    x = 17,592.40

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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.