Home / 25,930.97-38,887.80-10,131.89

Finding the Fourth Proportional to 25,930.97, 38,887.80 and 10,131.89

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Solution

The fourth proportional to 25,930.97, 38,887.80 and 10,131.89 is: 15,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.97 : 38,887.80 = 10,131.89 : x
  2. Step 2: Convert to fraction form
    25,930.97/38,887.80 = 10,131.89/x
  3. Step 3: Cross multiply
    25,930.97x = 38,887.80 × 10,131.89
  4. Step 4: Simplify right side
    25,930.97x = 394,006,679.51
  5. Step 5: Solve for x
    x = 394,006,679.51/25,930.97
  6. Step 6: Final answer
    x = 15,194.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.