Home / 23,020.83-31,769.07-13,589.39

Finding the Fourth Proportional to 23,020.83, 31,769.07 and 13,589.39

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Solution

The fourth proportional to 23,020.83, 31,769.07 and 13,589.39 is: 18,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.83 : 31,769.07 = 13,589.39 : x
  2. Step 2: Convert to fraction form
    23,020.83/31,769.07 = 13,589.39/x
  3. Step 3: Cross multiply
    23,020.83x = 31,769.07 × 13,589.39
  4. Step 4: Simplify right side
    23,020.83x = 431,722,282.17
  5. Step 5: Solve for x
    x = 431,722,282.17/23,020.83
  6. Step 6: Final answer
    x = 18,753.55

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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.