Home / 38,129.47-57,187.18-15,936.89

Finding the Fourth Proportional to 38,129.47, 57,187.18 and 15,936.89

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Solution

The fourth proportional to 38,129.47, 57,187.18 and 15,936.89 is: 23,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.47 : 57,187.18 = 15,936.89 : x
  2. Step 2: Convert to fraction form
    38,129.47/57,187.18 = 15,936.89/x
  3. Step 3: Cross multiply
    38,129.47x = 57,187.18 × 15,936.89
  4. Step 4: Simplify right side
    38,129.47x = 911,385,797.07
  5. Step 5: Solve for x
    x = 911,385,797.07/38,129.47
  6. Step 6: Final answer
    x = 23,902.40

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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.