Home / 27,591.92-38,077.72-15,655.76

Finding the Fourth Proportional to 27,591.92, 38,077.72 and 15,655.76

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Solution

The fourth proportional to 27,591.92, 38,077.72 and 15,655.76 is: 21,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.92 : 38,077.72 = 15,655.76 : x
  2. Step 2: Convert to fraction form
    27,591.92/38,077.72 = 15,655.76/x
  3. Step 3: Cross multiply
    27,591.92x = 38,077.72 × 15,655.76
  4. Step 4: Simplify right side
    27,591.92x = 596,135,645.67
  5. Step 5: Solve for x
    x = 596,135,645.67/27,591.92
  6. Step 6: Final answer
    x = 21,605.44

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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.