Home / 26,260.80-39,393.18-7,540.70

Finding the Fourth Proportional to 26,260.80, 39,393.18 and 7,540.70

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Solution

The fourth proportional to 26,260.80, 39,393.18 and 7,540.70 is: 11,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.80 : 39,393.18 = 7,540.70 : x
  2. Step 2: Convert to fraction form
    26,260.80/39,393.18 = 7,540.70/x
  3. Step 3: Cross multiply
    26,260.80x = 39,393.18 × 7,540.70
  4. Step 4: Simplify right side
    26,260.80x = 297,051,955.46
  5. Step 5: Solve for x
    x = 297,051,955.46/26,260.80
  6. Step 6: Final answer
    x = 11,311.61

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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.