Home / 38,149.88-57,250.21-15,678.98

Finding the Fourth Proportional to 38,149.88, 57,250.21 and 15,678.98

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Solution

The fourth proportional to 38,149.88, 57,250.21 and 15,678.98 is: 23,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.88 : 57,250.21 = 15,678.98 : x
  2. Step 2: Convert to fraction form
    38,149.88/57,250.21 = 15,678.98/x
  3. Step 3: Cross multiply
    38,149.88x = 57,250.21 × 15,678.98
  4. Step 4: Simplify right side
    38,149.88x = 897,625,001.51
  5. Step 5: Solve for x
    x = 897,625,001.51/38,149.88
  6. Step 6: Final answer
    x = 23,528.91

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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.