Home / 27,387.11-41,080.40-8,667.17

Finding the Fourth Proportional to 27,387.11, 41,080.40 and 8,667.17

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Solution

The fourth proportional to 27,387.11, 41,080.40 and 8,667.17 is: 13,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.11 : 41,080.40 = 8,667.17 : x
  2. Step 2: Convert to fraction form
    27,387.11/41,080.40 = 8,667.17/x
  3. Step 3: Cross multiply
    27,387.11x = 41,080.40 × 8,667.17
  4. Step 4: Simplify right side
    27,387.11x = 356,050,748.28
  5. Step 5: Solve for x
    x = 356,050,748.28/27,387.11
  6. Step 6: Final answer
    x = 13,000.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.