Home / 38,482.34-57,721.17-11,828.57

Finding the Fourth Proportional to 38,482.34, 57,721.17 and 11,828.57

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Solution

The fourth proportional to 38,482.34, 57,721.17 and 11,828.57 is: 17,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.34 : 57,721.17 = 11,828.57 : x
  2. Step 2: Convert to fraction form
    38,482.34/57,721.17 = 11,828.57/x
  3. Step 3: Cross multiply
    38,482.34x = 57,721.17 × 11,828.57
  4. Step 4: Simplify right side
    38,482.34x = 682,758,611.22
  5. Step 5: Solve for x
    x = 682,758,611.22/38,482.34
  6. Step 6: Final answer
    x = 17,742.13

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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.