Home / 27,521.80-41,282.70-17,139.40

Finding the Fourth Proportional to 27,521.80, 41,282.70 and 17,139.40

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Solution

The fourth proportional to 27,521.80, 41,282.70 and 17,139.40 is: 25,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.80 : 41,282.70 = 17,139.40 : x
  2. Step 2: Convert to fraction form
    27,521.80/41,282.70 = 17,139.40/x
  3. Step 3: Cross multiply
    27,521.80x = 41,282.70 × 17,139.40
  4. Step 4: Simplify right side
    27,521.80x = 707,560,708.38
  5. Step 5: Solve for x
    x = 707,560,708.38/27,521.80
  6. Step 6: Final answer
    x = 25,709.10

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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.