Home / 39,734.74-54,789.06-28,960.57

Finding the Fourth Proportional to 39,734.74, 54,789.06 and 28,960.57

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Solution

The fourth proportional to 39,734.74, 54,789.06 and 28,960.57 is: 39,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.74 : 54,789.06 = 28,960.57 : x
  2. Step 2: Convert to fraction form
    39,734.74/54,789.06 = 28,960.57/x
  3. Step 3: Cross multiply
    39,734.74x = 54,789.06 × 28,960.57
  4. Step 4: Simplify right side
    39,734.74x = 1,586,722,407.36
  5. Step 5: Solve for x
    x = 1,586,722,407.36/39,734.74
  6. Step 6: Final answer
    x = 39,932.88

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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.