Home / 28,851.24-43,270.17-9,126.12

Finding the Fourth Proportional to 28,851.24, 43,270.17 and 9,126.12

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Solution

The fourth proportional to 28,851.24, 43,270.17 and 9,126.12 is: 13,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.24 : 43,270.17 = 9,126.12 : x
  2. Step 2: Convert to fraction form
    28,851.24/43,270.17 = 9,126.12/x
  3. Step 3: Cross multiply
    28,851.24x = 43,270.17 × 9,126.12
  4. Step 4: Simplify right side
    28,851.24x = 394,888,547.49
  5. Step 5: Solve for x
    x = 394,888,547.49/28,851.24
  6. Step 6: Final answer
    x = 13,687.06

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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.