Home / 27,849.02-38,433.68-15,912.10

Finding the Fourth Proportional to 27,849.02, 38,433.68 and 15,912.10

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Solution

The fourth proportional to 27,849.02, 38,433.68 and 15,912.10 is: 21,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.02 : 38,433.68 = 15,912.10 : x
  2. Step 2: Convert to fraction form
    27,849.02/38,433.68 = 15,912.10/x
  3. Step 3: Cross multiply
    27,849.02x = 38,433.68 × 15,912.10
  4. Step 4: Simplify right side
    27,849.02x = 611,560,559.53
  5. Step 5: Solve for x
    x = 611,560,559.53/27,849.02
  6. Step 6: Final answer
    x = 21,959.86

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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.