Home / 25,727.91-38,582.28-8,856.15

Finding the Fourth Proportional to 25,727.91, 38,582.28 and 8,856.15

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Solution

The fourth proportional to 25,727.91, 38,582.28 and 8,856.15 is: 13,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.91 : 38,582.28 = 8,856.15 : x
  2. Step 2: Convert to fraction form
    25,727.91/38,582.28 = 8,856.15/x
  3. Step 3: Cross multiply
    25,727.91x = 38,582.28 × 8,856.15
  4. Step 4: Simplify right side
    25,727.91x = 341,690,459.02
  5. Step 5: Solve for x
    x = 341,690,459.02/25,727.91
  6. Step 6: Final answer
    x = 13,280.93

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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.