Home / 27,108.80-40,635.36-10,458.56

Finding the Fourth Proportional to 27,108.80, 40,635.36 and 10,458.56

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Solution

The fourth proportional to 27,108.80, 40,635.36 and 10,458.56 is: 15,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.80 : 40,635.36 = 10,458.56 : x
  2. Step 2: Convert to fraction form
    27,108.80/40,635.36 = 10,458.56/x
  3. Step 3: Cross multiply
    27,108.80x = 40,635.36 × 10,458.56
  4. Step 4: Simplify right side
    27,108.80x = 424,987,350.68
  5. Step 5: Solve for x
    x = 424,987,350.68/27,108.80
  6. Step 6: Final answer
    x = 15,677.10

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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.