Home / 21,726.76-32,565.18-9,228.28

Finding the Fourth Proportional to 21,726.76, 32,565.18 and 9,228.28

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Solution

The fourth proportional to 21,726.76, 32,565.18 and 9,228.28 is: 13,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.76 : 32,565.18 = 9,228.28 : x
  2. Step 2: Convert to fraction form
    21,726.76/32,565.18 = 9,228.28/x
  3. Step 3: Cross multiply
    21,726.76x = 32,565.18 × 9,228.28
  4. Step 4: Simplify right side
    21,726.76x = 300,520,599.29
  5. Step 5: Solve for x
    x = 300,520,599.29/21,726.76
  6. Step 6: Final answer
    x = 13,831.82

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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.