Home / 38,040.60-57,074.40-16,978.72

Finding the Fourth Proportional to 38,040.60, 57,074.40 and 16,978.72

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Solution

The fourth proportional to 38,040.60, 57,074.40 and 16,978.72 is: 25,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.60 : 57,074.40 = 16,978.72 : x
  2. Step 2: Convert to fraction form
    38,040.60/57,074.40 = 16,978.72/x
  3. Step 3: Cross multiply
    38,040.60x = 57,074.40 × 16,978.72
  4. Step 4: Simplify right side
    38,040.60x = 969,050,256.77
  5. Step 5: Solve for x
    x = 969,050,256.77/38,040.60
  6. Step 6: Final answer
    x = 25,474.11

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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.