Home / 27,132.10-40,760.50-19,254.04

Finding the Fourth Proportional to 27,132.10, 40,760.50 and 19,254.04

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Solution

The fourth proportional to 27,132.10, 40,760.50 and 19,254.04 is: 28,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.10 : 40,760.50 = 19,254.04 : x
  2. Step 2: Convert to fraction form
    27,132.10/40,760.50 = 19,254.04/x
  3. Step 3: Cross multiply
    27,132.10x = 40,760.50 × 19,254.04
  4. Step 4: Simplify right side
    27,132.10x = 784,804,297.42
  5. Step 5: Solve for x
    x = 784,804,297.42/27,132.10
  6. Step 6: Final answer
    x = 28,925.31

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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.