Home / 25,620.48-38,402.64-16,724.88

Finding the Fourth Proportional to 25,620.48, 38,402.64 and 16,724.88

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Solution

The fourth proportional to 25,620.48, 38,402.64 and 16,724.88 is: 25,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.48 : 38,402.64 = 16,724.88 : x
  2. Step 2: Convert to fraction form
    25,620.48/38,402.64 = 16,724.88/x
  3. Step 3: Cross multiply
    25,620.48x = 38,402.64 × 16,724.88
  4. Step 4: Simplify right side
    25,620.48x = 642,279,545.68
  5. Step 5: Solve for x
    x = 642,279,545.68/25,620.48
  6. Step 6: Final answer
    x = 25,068.99

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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.