Home / 27,306.30-40,959.45-18,072.30

Finding the Fourth Proportional to 27,306.30, 40,959.45 and 18,072.30

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Solution

The fourth proportional to 27,306.30, 40,959.45 and 18,072.30 is: 27,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.30 : 40,959.45 = 18,072.30 : x
  2. Step 2: Convert to fraction form
    27,306.30/40,959.45 = 18,072.30/x
  3. Step 3: Cross multiply
    27,306.30x = 40,959.45 × 18,072.30
  4. Step 4: Simplify right side
    27,306.30x = 740,231,468.24
  5. Step 5: Solve for x
    x = 740,231,468.24/27,306.30
  6. Step 6: Final answer
    x = 27,108.45

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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.