Home / 27,009.40-40,514.10-16,511.80

Finding the Fourth Proportional to 27,009.40, 40,514.10 and 16,511.80

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Solution

The fourth proportional to 27,009.40, 40,514.10 and 16,511.80 is: 24,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.40 : 40,514.10 = 16,511.80 : x
  2. Step 2: Convert to fraction form
    27,009.40/40,514.10 = 16,511.80/x
  3. Step 3: Cross multiply
    27,009.40x = 40,514.10 × 16,511.80
  4. Step 4: Simplify right side
    27,009.40x = 668,960,716.38
  5. Step 5: Solve for x
    x = 668,960,716.38/27,009.40
  6. Step 6: Final answer
    x = 24,767.70

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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.