Home / 28,356.62-42,535.06-11,489.95

Finding the Fourth Proportional to 28,356.62, 42,535.06 and 11,489.95

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Solution

The fourth proportional to 28,356.62, 42,535.06 and 11,489.95 is: 17,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356.62 : 42,535.06 = 11,489.95 : x
  2. Step 2: Convert to fraction form
    28,356.62/42,535.06 = 11,489.95/x
  3. Step 3: Cross multiply
    28,356.62x = 42,535.06 × 11,489.95
  4. Step 4: Simplify right side
    28,356.62x = 488,725,737.09
  5. Step 5: Solve for x
    x = 488,725,737.09/28,356.62
  6. Step 6: Final answer
    x = 17,234.98

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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.