Home / 25,528.29-38,226.83-15,637.61

Finding the Fourth Proportional to 25,528.29, 38,226.83 and 15,637.61

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Solution

The fourth proportional to 25,528.29, 38,226.83 and 15,637.61 is: 23,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.29 : 38,226.83 = 15,637.61 : x
  2. Step 2: Convert to fraction form
    25,528.29/38,226.83 = 15,637.61/x
  3. Step 3: Cross multiply
    25,528.29x = 38,226.83 × 15,637.61
  4. Step 4: Simplify right side
    25,528.29x = 597,775,989.75
  5. Step 5: Solve for x
    x = 597,775,989.75/25,528.29
  6. Step 6: Final answer
    x = 23,416.22

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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.