Home / 38,187.76-57,263.13-13,229.23

Finding the Fourth Proportional to 38,187.76, 57,263.13 and 13,229.23

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Solution

The fourth proportional to 38,187.76, 57,263.13 and 13,229.23 is: 19,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.76 : 57,263.13 = 13,229.23 : x
  2. Step 2: Convert to fraction form
    38,187.76/57,263.13 = 13,229.23/x
  3. Step 3: Cross multiply
    38,187.76x = 57,263.13 × 13,229.23
  4. Step 4: Simplify right side
    38,187.76x = 757,547,117.29
  5. Step 5: Solve for x
    x = 757,547,117.29/38,187.76
  6. Step 6: Final answer
    x = 19,837.43

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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.