Home / 38,656.20-57,989.70-16,469.40

Finding the Fourth Proportional to 38,656.20, 57,989.70 and 16,469.40

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Solution

The fourth proportional to 38,656.20, 57,989.70 and 16,469.40 is: 24,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.20 : 57,989.70 = 16,469.40 : x
  2. Step 2: Convert to fraction form
    38,656.20/57,989.70 = 16,469.40/x
  3. Step 3: Cross multiply
    38,656.20x = 57,989.70 × 16,469.40
  4. Step 4: Simplify right side
    38,656.20x = 955,055,565.18
  5. Step 5: Solve for x
    x = 955,055,565.18/38,656.20
  6. Step 6: Final answer
    x = 24,706.40

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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.