Home / 28,354.17-42,513.03-13,562.76

Finding the Fourth Proportional to 28,354.17, 42,513.03 and 13,562.76

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Solution

The fourth proportional to 28,354.17, 42,513.03 and 13,562.76 is: 20,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.17 : 42,513.03 = 13,562.76 : x
  2. Step 2: Convert to fraction form
    28,354.17/42,513.03 = 13,562.76/x
  3. Step 3: Cross multiply
    28,354.17x = 42,513.03 × 13,562.76
  4. Step 4: Simplify right side
    28,354.17x = 576,594,022.76
  5. Step 5: Solve for x
    x = 576,594,022.76/28,354.17
  6. Step 6: Final answer
    x = 20,335.42

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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.