Home / 38,247.28-57,336.36-13,617.52

Finding the Fourth Proportional to 38,247.28, 57,336.36 and 13,617.52

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Solution

The fourth proportional to 38,247.28, 57,336.36 and 13,617.52 is: 20,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.28 : 57,336.36 = 13,617.52 : x
  2. Step 2: Convert to fraction form
    38,247.28/57,336.36 = 13,617.52/x
  3. Step 3: Cross multiply
    38,247.28x = 57,336.36 × 13,617.52
  4. Step 4: Simplify right side
    38,247.28x = 780,779,029.03
  5. Step 5: Solve for x
    x = 780,779,029.03/38,247.28
  6. Step 6: Final answer
    x = 20,413.98

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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.