Home / 25,719.04-38,568-8,184.16

Finding the Fourth Proportional to 25,719.04, 38,568 and 8,184.16

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Solution

The fourth proportional to 25,719.04, 38,568 and 8,184.16 is: 12,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.04 : 38,568 = 8,184.16 : x
  2. Step 2: Convert to fraction form
    25,719.04/38,568 = 8,184.16/x
  3. Step 3: Cross multiply
    25,719.04x = 38,568 × 8,184.16
  4. Step 4: Simplify right side
    25,719.04x = 315,646,682.88
  5. Step 5: Solve for x
    x = 315,646,682.88/25,719.04
  6. Step 6: Final answer
    x = 12,272.88

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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.