Home / 40,543.34-60,788.80-16,867.20

Finding the Fourth Proportional to 40,543.34, 60,788.80 and 16,867.20

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Solution

The fourth proportional to 40,543.34, 60,788.80 and 16,867.20 is: 25,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.34 : 60,788.80 = 16,867.20 : x
  2. Step 2: Convert to fraction form
    40,543.34/60,788.80 = 16,867.20/x
  3. Step 3: Cross multiply
    40,543.34x = 60,788.80 × 16,867.20
  4. Step 4: Simplify right side
    40,543.34x = 1,025,336,887.39
  5. Step 5: Solve for x
    x = 1,025,336,887.39/40,543.34
  6. Step 6: Final answer
    x = 25,289.90

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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.