Home / 27,720.70-41,581.05-10,186.90

Finding the Fourth Proportional to 27,720.70, 41,581.05 and 10,186.90

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Solution

The fourth proportional to 27,720.70, 41,581.05 and 10,186.90 is: 15,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.70 : 41,581.05 = 10,186.90 : x
  2. Step 2: Convert to fraction form
    27,720.70/41,581.05 = 10,186.90/x
  3. Step 3: Cross multiply
    27,720.70x = 41,581.05 × 10,186.90
  4. Step 4: Simplify right side
    27,720.70x = 423,581,998.25
  5. Step 5: Solve for x
    x = 423,581,998.25/27,720.70
  6. Step 6: Final answer
    x = 15,280.35

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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.