Home / 22,348.93-30,854.40-15,552.82

Finding the Fourth Proportional to 22,348.93, 30,854.40 and 15,552.82

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Solution

The fourth proportional to 22,348.93, 30,854.40 and 15,552.82 is: 21,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.93 : 30,854.40 = 15,552.82 : x
  2. Step 2: Convert to fraction form
    22,348.93/30,854.40 = 15,552.82/x
  3. Step 3: Cross multiply
    22,348.93x = 30,854.40 × 15,552.82
  4. Step 4: Simplify right side
    22,348.93x = 479,872,929.41
  5. Step 5: Solve for x
    x = 479,872,929.41/22,348.93
  6. Step 6: Final answer
    x = 21,471.85

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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.