Home / 28,851.66-43,273.16-9,127.66

Finding the Fourth Proportional to 28,851.66, 43,273.16 and 9,127.66

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Solution

The fourth proportional to 28,851.66, 43,273.16 and 9,127.66 is: 13,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.66 : 43,273.16 = 9,127.66 : x
  2. Step 2: Convert to fraction form
    28,851.66/43,273.16 = 9,127.66/x
  3. Step 3: Cross multiply
    28,851.66x = 43,273.16 × 9,127.66
  4. Step 4: Simplify right side
    28,851.66x = 394,982,606.24
  5. Step 5: Solve for x
    x = 394,982,606.24/28,851.66
  6. Step 6: Final answer
    x = 13,690.12

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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.