Home / 22,841.87-31,486.05-21,008.97

Finding the Fourth Proportional to 22,841.87, 31,486.05 and 21,008.97

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Solution

The fourth proportional to 22,841.87, 31,486.05 and 21,008.97 is: 28,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.87 : 31,486.05 = 21,008.97 : x
  2. Step 2: Convert to fraction form
    22,841.87/31,486.05 = 21,008.97/x
  3. Step 3: Cross multiply
    22,841.87x = 31,486.05 × 21,008.97
  4. Step 4: Simplify right side
    22,841.87x = 661,489,479.87
  5. Step 5: Solve for x
    x = 661,489,479.87/22,841.87
  6. Step 6: Final answer
    x = 28,959.52

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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.