Home / 27,799.20-41,698.80-10,265.40

Finding the Fourth Proportional to 27,799.20, 41,698.80 and 10,265.40

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Solution

The fourth proportional to 27,799.20, 41,698.80 and 10,265.40 is: 15,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.20 : 41,698.80 = 10,265.40 : x
  2. Step 2: Convert to fraction form
    27,799.20/41,698.80 = 10,265.40/x
  3. Step 3: Cross multiply
    27,799.20x = 41,698.80 × 10,265.40
  4. Step 4: Simplify right side
    27,799.20x = 428,054,861.52
  5. Step 5: Solve for x
    x = 428,054,861.52/27,799.20
  6. Step 6: Final answer
    x = 15,398.10

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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.