Home / 27,080.36-40,608.92-9,312.80

Finding the Fourth Proportional to 27,080.36, 40,608.92 and 9,312.80

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Solution

The fourth proportional to 27,080.36, 40,608.92 and 9,312.80 is: 13,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.36 : 40,608.92 = 9,312.80 : x
  2. Step 2: Convert to fraction form
    27,080.36/40,608.92 = 9,312.80/x
  3. Step 3: Cross multiply
    27,080.36x = 40,608.92 × 9,312.80
  4. Step 4: Simplify right side
    27,080.36x = 378,182,805.13
  5. Step 5: Solve for x
    x = 378,182,805.13/27,080.36
  6. Step 6: Final answer
    x = 13,965.21

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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.