Home / 28,595.97-39,462.26-15,849.14

Finding the Fourth Proportional to 28,595.97, 39,462.26 and 15,849.14

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Solution

The fourth proportional to 28,595.97, 39,462.26 and 15,849.14 is: 21,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.97 : 39,462.26 = 15,849.14 : x
  2. Step 2: Convert to fraction form
    28,595.97/39,462.26 = 15,849.14/x
  3. Step 3: Cross multiply
    28,595.97x = 39,462.26 × 15,849.14
  4. Step 4: Simplify right side
    28,595.97x = 625,442,606.90
  5. Step 5: Solve for x
    x = 625,442,606.90/28,595.97
  6. Step 6: Final answer
    x = 21,871.70

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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.