Home / 38,175.69-57,267.45-13,215.70

Finding the Fourth Proportional to 38,175.69, 57,267.45 and 13,215.70

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Solution

The fourth proportional to 38,175.69, 57,267.45 and 13,215.70 is: 19,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.69 : 57,267.45 = 13,215.70 : x
  2. Step 2: Convert to fraction form
    38,175.69/57,267.45 = 13,215.70/x
  3. Step 3: Cross multiply
    38,175.69x = 57,267.45 × 13,215.70
  4. Step 4: Simplify right side
    38,175.69x = 756,829,438.97
  5. Step 5: Solve for x
    x = 756,829,438.97/38,175.69
  6. Step 6: Final answer
    x = 19,824.91

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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.