Home / 28,423.33-39,242.45-25,433.97

Finding the Fourth Proportional to 28,423.33, 39,242.45 and 25,433.97

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Solution

The fourth proportional to 28,423.33, 39,242.45 and 25,433.97 is: 35,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.33 : 39,242.45 = 25,433.97 : x
  2. Step 2: Convert to fraction form
    28,423.33/39,242.45 = 25,433.97/x
  3. Step 3: Cross multiply
    28,423.33x = 39,242.45 × 25,433.97
  4. Step 4: Simplify right side
    28,423.33x = 998,091,472.03
  5. Step 5: Solve for x
    x = 998,091,472.03/28,423.33
  6. Step 6: Final answer
    x = 35,115.22

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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.