Home / 27,205.40-40,808.10-15,519.80

Finding the Fourth Proportional to 27,205.40, 40,808.10 and 15,519.80

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Solution

The fourth proportional to 27,205.40, 40,808.10 and 15,519.80 is: 23,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.40 : 40,808.10 = 15,519.80 : x
  2. Step 2: Convert to fraction form
    27,205.40/40,808.10 = 15,519.80/x
  3. Step 3: Cross multiply
    27,205.40x = 40,808.10 × 15,519.80
  4. Step 4: Simplify right side
    27,205.40x = 633,333,550.38
  5. Step 5: Solve for x
    x = 633,333,550.38/27,205.40
  6. Step 6: Final answer
    x = 23,279.70

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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.