Home / 38,747.79-53,458.19-25,326.78

Finding the Fourth Proportional to 38,747.79, 53,458.19 and 25,326.78

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Solution

The fourth proportional to 38,747.79, 53,458.19 and 25,326.78 is: 34,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.79 : 53,458.19 = 25,326.78 : x
  2. Step 2: Convert to fraction form
    38,747.79/53,458.19 = 25,326.78/x
  3. Step 3: Cross multiply
    38,747.79x = 53,458.19 × 25,326.78
  4. Step 4: Simplify right side
    38,747.79x = 1,353,923,690.69
  5. Step 5: Solve for x
    x = 1,353,923,690.69/38,747.79
  6. Step 6: Final answer
    x = 34,941.96

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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.