Home / 28,185.17-38,901.92-17,572.76

Finding the Fourth Proportional to 28,185.17, 38,901.92 and 17,572.76

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Solution

The fourth proportional to 28,185.17, 38,901.92 and 17,572.76 is: 24,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.17 : 38,901.92 = 17,572.76 : x
  2. Step 2: Convert to fraction form
    28,185.17/38,901.92 = 17,572.76/x
  3. Step 3: Cross multiply
    28,185.17x = 38,901.92 × 17,572.76
  4. Step 4: Simplify right side
    28,185.17x = 683,614,103.70
  5. Step 5: Solve for x
    x = 683,614,103.70/28,185.17
  6. Step 6: Final answer
    x = 24,254.39

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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.