Home / 27,110.03-40,666.95-8,387.60

Finding the Fourth Proportional to 27,110.03, 40,666.95 and 8,387.60

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Solution

The fourth proportional to 27,110.03, 40,666.95 and 8,387.60 is: 12,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.03 : 40,666.95 = 8,387.60 : x
  2. Step 2: Convert to fraction form
    27,110.03/40,666.95 = 8,387.60/x
  3. Step 3: Cross multiply
    27,110.03x = 40,666.95 × 8,387.60
  4. Step 4: Simplify right side
    27,110.03x = 341,098,067.88
  5. Step 5: Solve for x
    x = 341,098,067.88/27,110.03
  6. Step 6: Final answer
    x = 12,581.99

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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.