Home / 27,405.40-41,108.10-10,759.90

Finding the Fourth Proportional to 27,405.40, 41,108.10 and 10,759.90

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Solution

The fourth proportional to 27,405.40, 41,108.10 and 10,759.90 is: 16,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.40 : 41,108.10 = 10,759.90 : x
  2. Step 2: Convert to fraction form
    27,405.40/41,108.10 = 10,759.90/x
  3. Step 3: Cross multiply
    27,405.40x = 41,108.10 × 10,759.90
  4. Step 4: Simplify right side
    27,405.40x = 442,319,045.19
  5. Step 5: Solve for x
    x = 442,319,045.19/27,405.40
  6. Step 6: Final answer
    x = 16,139.85

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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.