Home / 38,172.30-57,219.25-15,998.55

Finding the Fourth Proportional to 38,172.30, 57,219.25 and 15,998.55

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Solution

The fourth proportional to 38,172.30, 57,219.25 and 15,998.55 is: 23,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.30 : 57,219.25 = 15,998.55 : x
  2. Step 2: Convert to fraction form
    38,172.30/57,219.25 = 15,998.55/x
  3. Step 3: Cross multiply
    38,172.30x = 57,219.25 × 15,998.55
  4. Step 4: Simplify right side
    38,172.30x = 915,425,032.09
  5. Step 5: Solve for x
    x = 915,425,032.09/38,172.30
  6. Step 6: Final answer
    x = 23,981.40

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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.