Home / 38,472.88-53,086.16-25,705.52

Finding the Fourth Proportional to 38,472.88, 53,086.16 and 25,705.52

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Solution

The fourth proportional to 38,472.88, 53,086.16 and 25,705.52 is: 35,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.88 : 53,086.16 = 25,705.52 : x
  2. Step 2: Convert to fraction form
    38,472.88/53,086.16 = 25,705.52/x
  3. Step 3: Cross multiply
    38,472.88x = 53,086.16 × 25,705.52
  4. Step 4: Simplify right side
    38,472.88x = 1,364,607,347.60
  5. Step 5: Solve for x
    x = 1,364,607,347.60/38,472.88
  6. Step 6: Final answer
    x = 35,469.33

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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.