Home / 40,276.78-60,423.88-15,317.30

Finding the Fourth Proportional to 40,276.78, 60,423.88 and 15,317.30

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Solution

The fourth proportional to 40,276.78, 60,423.88 and 15,317.30 is: 22,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.78 : 60,423.88 = 15,317.30 : x
  2. Step 2: Convert to fraction form
    40,276.78/60,423.88 = 15,317.30/x
  3. Step 3: Cross multiply
    40,276.78x = 60,423.88 × 15,317.30
  4. Step 4: Simplify right side
    40,276.78x = 925,530,697.12
  5. Step 5: Solve for x
    x = 925,530,697.12/40,276.78
  6. Step 6: Final answer
    x = 22,979.26

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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.