Home / 38,172.65-57,242.21-15,667.88

Finding the Fourth Proportional to 38,172.65, 57,242.21 and 15,667.88

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Solution

The fourth proportional to 38,172.65, 57,242.21 and 15,667.88 is: 23,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.65 : 57,242.21 = 15,667.88 : x
  2. Step 2: Convert to fraction form
    38,172.65/57,242.21 = 15,667.88/x
  3. Step 3: Cross multiply
    38,172.65x = 57,242.21 × 15,667.88
  4. Step 4: Simplify right side
    38,172.65x = 896,863,712.66
  5. Step 5: Solve for x
    x = 896,863,712.66/38,172.65
  6. Step 6: Final answer
    x = 23,494.93

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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.