Home / 22,046.29-30,407.21-15,328.55

Finding the Fourth Proportional to 22,046.29, 30,407.21 and 15,328.55

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Solution

The fourth proportional to 22,046.29, 30,407.21 and 15,328.55 is: 21,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.29 : 30,407.21 = 15,328.55 : x
  2. Step 2: Convert to fraction form
    22,046.29/30,407.21 = 15,328.55/x
  3. Step 3: Cross multiply
    22,046.29x = 30,407.21 × 15,328.55
  4. Step 4: Simplify right side
    22,046.29x = 466,098,438.85
  5. Step 5: Solve for x
    x = 466,098,438.85/22,046.29
  6. Step 6: Final answer
    x = 21,141.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.