Home / 28,366.27-39,144.90-17,761.75

Finding the Fourth Proportional to 28,366.27, 39,144.90 and 17,761.75

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Solution

The fourth proportional to 28,366.27, 39,144.90 and 17,761.75 is: 24,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.27 : 39,144.90 = 17,761.75 : x
  2. Step 2: Convert to fraction form
    28,366.27/39,144.90 = 17,761.75/x
  3. Step 3: Cross multiply
    28,366.27x = 39,144.90 × 17,761.75
  4. Step 4: Simplify right side
    28,366.27x = 695,281,927.58
  5. Step 5: Solve for x
    x = 695,281,927.58/28,366.27
  6. Step 6: Final answer
    x = 24,510.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.