Home / 27,998.10-41,980.95-10,469.70

Finding the Fourth Proportional to 27,998.10, 41,980.95 and 10,469.70

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Solution

The fourth proportional to 27,998.10, 41,980.95 and 10,469.70 is: 15,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.10 : 41,980.95 = 10,469.70 : x
  2. Step 2: Convert to fraction form
    27,998.10/41,980.95 = 10,469.70/x
  3. Step 3: Cross multiply
    27,998.10x = 41,980.95 × 10,469.70
  4. Step 4: Simplify right side
    27,998.10x = 439,527,952.22
  5. Step 5: Solve for x
    x = 439,527,952.22/27,998.10
  6. Step 6: Final answer
    x = 15,698.49

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Half scale
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Double scale
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Similar ratio
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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.