Home / 38,130.26-57,195.43-15,931.54

Finding the Fourth Proportional to 38,130.26, 57,195.43 and 15,931.54

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Solution

The fourth proportional to 38,130.26, 57,195.43 and 15,931.54 is: 23,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.26 : 57,195.43 = 15,931.54 : x
  2. Step 2: Convert to fraction form
    38,130.26/57,195.43 = 15,931.54/x
  3. Step 3: Cross multiply
    38,130.26x = 57,195.43 × 15,931.54
  4. Step 4: Simplify right side
    38,130.26x = 911,211,280.86
  5. Step 5: Solve for x
    x = 911,211,280.86/38,130.26
  6. Step 6: Final answer
    x = 23,897.33

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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.