Home / 27,889.31-38,493.90-15,959.53

Finding the Fourth Proportional to 27,889.31, 38,493.90 and 15,959.53

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Solution

The fourth proportional to 27,889.31, 38,493.90 and 15,959.53 is: 22,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.31 : 38,493.90 = 15,959.53 : x
  2. Step 2: Convert to fraction form
    27,889.31/38,493.90 = 15,959.53/x
  3. Step 3: Cross multiply
    27,889.31x = 38,493.90 × 15,959.53
  4. Step 4: Simplify right side
    27,889.31x = 614,344,599.98
  5. Step 5: Solve for x
    x = 614,344,599.98/27,889.31
  6. Step 6: Final answer
    x = 22,027.96

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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.