Home / 40,215.20-60,317.22-28,170.88

Finding the Fourth Proportional to 40,215.20, 60,317.22 and 28,170.88

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Solution

The fourth proportional to 40,215.20, 60,317.22 and 28,170.88 is: 42,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.20 : 60,317.22 = 28,170.88 : x
  2. Step 2: Convert to fraction form
    40,215.20/60,317.22 = 28,170.88/x
  3. Step 3: Cross multiply
    40,215.20x = 60,317.22 × 28,170.88
  4. Step 4: Simplify right side
    40,215.20x = 1,699,189,166.55
  5. Step 5: Solve for x
    x = 1,699,189,166.55/40,215.20
  6. Step 6: Final answer
    x = 42,252.41

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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.