Home / 40,398.12-60,585.84-15,420.96

Finding the Fourth Proportional to 40,398.12, 60,585.84 and 15,420.96

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Solution

The fourth proportional to 40,398.12, 60,585.84 and 15,420.96 is: 23,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.12 : 60,585.84 = 15,420.96 : x
  2. Step 2: Convert to fraction form
    40,398.12/60,585.84 = 15,420.96/x
  3. Step 3: Cross multiply
    40,398.12x = 60,585.84 × 15,420.96
  4. Step 4: Simplify right side
    40,398.12x = 934,291,815.21
  5. Step 5: Solve for x
    x = 934,291,815.21/40,398.12
  6. Step 6: Final answer
    x = 23,127.11

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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.