Home / 27,530.92-37,986.18-15,591.76

Finding the Fourth Proportional to 27,530.92, 37,986.18 and 15,591.76

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Solution

The fourth proportional to 27,530.92, 37,986.18 and 15,591.76 is: 21,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.92 : 37,986.18 = 15,591.76 : x
  2. Step 2: Convert to fraction form
    27,530.92/37,986.18 = 15,591.76/x
  3. Step 3: Cross multiply
    27,530.92x = 37,986.18 × 15,591.76
  4. Step 4: Simplify right side
    27,530.92x = 592,271,401.88
  5. Step 5: Solve for x
    x = 592,271,401.88/27,530.92
  6. Step 6: Final answer
    x = 21,512.95

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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.