Home / 27,851.16-38,433.90-15,276.12

Finding the Fourth Proportional to 27,851.16, 38,433.90 and 15,276.12

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Solution

The fourth proportional to 27,851.16, 38,433.90 and 15,276.12 is: 21,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.16 : 38,433.90 = 15,276.12 : x
  2. Step 2: Convert to fraction form
    27,851.16/38,433.90 = 15,276.12/x
  3. Step 3: Cross multiply
    27,851.16x = 38,433.90 × 15,276.12
  4. Step 4: Simplify right side
    27,851.16x = 587,120,868.47
  5. Step 5: Solve for x
    x = 587,120,868.47/27,851.16
  6. Step 6: Final answer
    x = 21,080.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.