Home / 22,988.25-31,727.46-21,487.41

Finding the Fourth Proportional to 22,988.25, 31,727.46 and 21,487.41

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Solution

The fourth proportional to 22,988.25, 31,727.46 and 21,487.41 is: 29,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.25 : 31,727.46 = 21,487.41 : x
  2. Step 2: Convert to fraction form
    22,988.25/31,727.46 = 21,487.41/x
  3. Step 3: Cross multiply
    22,988.25x = 31,727.46 × 21,487.41
  4. Step 4: Simplify right side
    22,988.25x = 681,740,941.28
  5. Step 5: Solve for x
    x = 681,740,941.28/22,988.25
  6. Step 6: Final answer
    x = 29,656.06

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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.