Home / 27,080.08-40,615.92-10,447.90

Finding the Fourth Proportional to 27,080.08, 40,615.92 and 10,447.90

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Solution

The fourth proportional to 27,080.08, 40,615.92 and 10,447.90 is: 15,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.08 : 40,615.92 = 10,447.90 : x
  2. Step 2: Convert to fraction form
    27,080.08/40,615.92 = 10,447.90/x
  3. Step 3: Cross multiply
    27,080.08x = 40,615.92 × 10,447.90
  4. Step 4: Simplify right side
    27,080.08x = 424,351,070.57
  5. Step 5: Solve for x
    x = 424,351,070.57/27,080.08
  6. Step 6: Final answer
    x = 15,670.23

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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.