Home / 22,898.28-31,590.36-13,938.60

Finding the Fourth Proportional to 22,898.28, 31,590.36 and 13,938.60

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Solution

The fourth proportional to 22,898.28, 31,590.36 and 13,938.60 is: 19,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,898.28 : 31,590.36 = 13,938.60 : x
  2. Step 2: Convert to fraction form
    22,898.28/31,590.36 = 13,938.60/x
  3. Step 3: Cross multiply
    22,898.28x = 31,590.36 × 13,938.60
  4. Step 4: Simplify right side
    22,898.28x = 440,325,391.90
  5. Step 5: Solve for x
    x = 440,325,391.90/22,898.28
  6. Step 6: Final answer
    x = 19,229.63

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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.