Home / 25,929.47-38,861.40-16,565.87

Finding the Fourth Proportional to 25,929.47, 38,861.40 and 16,565.87

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Solution

The fourth proportional to 25,929.47, 38,861.40 and 16,565.87 is: 24,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.47 : 38,861.40 = 16,565.87 : x
  2. Step 2: Convert to fraction form
    25,929.47/38,861.40 = 16,565.87/x
  3. Step 3: Cross multiply
    25,929.47x = 38,861.40 × 16,565.87
  4. Step 4: Simplify right side
    25,929.47x = 643,772,900.42
  5. Step 5: Solve for x
    x = 643,772,900.42/25,929.47
  6. Step 6: Final answer
    x = 24,827.85

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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.