Home / 22,657.78-31,272.21-14,476.15

Finding the Fourth Proportional to 22,657.78, 31,272.21 and 14,476.15

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Solution

The fourth proportional to 22,657.78, 31,272.21 and 14,476.15 is: 19,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.78 : 31,272.21 = 14,476.15 : x
  2. Step 2: Convert to fraction form
    22,657.78/31,272.21 = 14,476.15/x
  3. Step 3: Cross multiply
    22,657.78x = 31,272.21 × 14,476.15
  4. Step 4: Simplify right side
    22,657.78x = 452,700,974.05
  5. Step 5: Solve for x
    x = 452,700,974.05/22,657.78
  6. Step 6: Final answer
    x = 19,979.94

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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.