Home / 22,677.57-31,236.39-15,859.53

Finding the Fourth Proportional to 22,677.57, 31,236.39 and 15,859.53

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Solution

The fourth proportional to 22,677.57, 31,236.39 and 15,859.53 is: 21,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.57 : 31,236.39 = 15,859.53 : x
  2. Step 2: Convert to fraction form
    22,677.57/31,236.39 = 15,859.53/x
  3. Step 3: Cross multiply
    22,677.57x = 31,236.39 × 15,859.53
  4. Step 4: Simplify right side
    22,677.57x = 495,394,464.30
  5. Step 5: Solve for x
    x = 495,394,464.30/22,677.57
  6. Step 6: Final answer
    x = 21,845.13

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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.