Home / 28,658.92-42,996.92-13,677.28

Finding the Fourth Proportional to 28,658.92, 42,996.92 and 13,677.28

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Solution

The fourth proportional to 28,658.92, 42,996.92 and 13,677.28 is: 20,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.92 : 42,996.92 = 13,677.28 : x
  2. Step 2: Convert to fraction form
    28,658.92/42,996.92 = 13,677.28/x
  3. Step 3: Cross multiply
    28,658.92x = 42,996.92 × 13,677.28
  4. Step 4: Simplify right side
    28,658.92x = 588,080,845.59
  5. Step 5: Solve for x
    x = 588,080,845.59/28,658.92
  6. Step 6: Final answer
    x = 20,520.00

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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.