Home / 38,128.76-57,193.18-15,930.04

Finding the Fourth Proportional to 38,128.76, 57,193.18 and 15,930.04

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Solution

The fourth proportional to 38,128.76, 57,193.18 and 15,930.04 is: 23,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.76 : 57,193.18 = 15,930.04 : x
  2. Step 2: Convert to fraction form
    38,128.76/57,193.18 = 15,930.04/x
  3. Step 3: Cross multiply
    38,128.76x = 57,193.18 × 15,930.04
  4. Step 4: Simplify right side
    38,128.76x = 911,089,645.13
  5. Step 5: Solve for x
    x = 911,089,645.13/38,128.76
  6. Step 6: Final answer
    x = 23,895.08

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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.