Home / 28,432.28-42,592.98-17,311.38

Finding the Fourth Proportional to 28,432.28, 42,592.98 and 17,311.38

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Solution

The fourth proportional to 28,432.28, 42,592.98 and 17,311.38 is: 25,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.28 : 42,592.98 = 17,311.38 : x
  2. Step 2: Convert to fraction form
    28,432.28/42,592.98 = 17,311.38/x
  3. Step 3: Cross multiply
    28,432.28x = 42,592.98 × 17,311.38
  4. Step 4: Simplify right side
    28,432.28x = 737,343,262.11
  5. Step 5: Solve for x
    x = 737,343,262.11/28,432.28
  6. Step 6: Final answer
    x = 25,933.31

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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.