Home / 28,192.98-42,294.36-9,474.85

Finding the Fourth Proportional to 28,192.98, 42,294.36 and 9,474.85

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Solution

The fourth proportional to 28,192.98, 42,294.36 and 9,474.85 is: 14,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.98 : 42,294.36 = 9,474.85 : x
  2. Step 2: Convert to fraction form
    28,192.98/42,294.36 = 9,474.85/x
  3. Step 3: Cross multiply
    28,192.98x = 42,294.36 × 9,474.85
  4. Step 4: Simplify right side
    28,192.98x = 400,732,716.85
  5. Step 5: Solve for x
    x = 400,732,716.85/28,192.98
  6. Step 6: Final answer
    x = 14,213.92

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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.