Home / 27,112.96-40,663.14-7,387.57

Finding the Fourth Proportional to 27,112.96, 40,663.14 and 7,387.57

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Solution

The fourth proportional to 27,112.96, 40,663.14 and 7,387.57 is: 11,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.96 : 40,663.14 = 7,387.57 : x
  2. Step 2: Convert to fraction form
    27,112.96/40,663.14 = 7,387.57/x
  3. Step 3: Cross multiply
    27,112.96x = 40,663.14 × 7,387.57
  4. Step 4: Simplify right side
    27,112.96x = 300,401,793.17
  5. Step 5: Solve for x
    x = 300,401,793.17/27,112.96
  6. Step 6: Final answer
    x = 11,079.64

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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.