Home / 20,565.41-30,864.33-10,569.76

Finding the Fourth Proportional to 20,565.41, 30,864.33 and 10,569.76

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Solution

The fourth proportional to 20,565.41, 30,864.33 and 10,569.76 is: 15,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.41 : 30,864.33 = 10,569.76 : x
  2. Step 2: Convert to fraction form
    20,565.41/30,864.33 = 10,569.76/x
  3. Step 3: Cross multiply
    20,565.41x = 30,864.33 × 10,569.76
  4. Step 4: Simplify right side
    20,565.41x = 326,228,483.50
  5. Step 5: Solve for x
    x = 326,228,483.50/20,565.41
  6. Step 6: Final answer
    x = 15,862.97

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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.