Home / 26,187.20-39,269.28-7,714.88

Finding the Fourth Proportional to 26,187.20, 39,269.28 and 7,714.88

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Solution

The fourth proportional to 26,187.20, 39,269.28 and 7,714.88 is: 11,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.20 : 39,269.28 = 7,714.88 : x
  2. Step 2: Convert to fraction form
    26,187.20/39,269.28 = 7,714.88/x
  3. Step 3: Cross multiply
    26,187.20x = 39,269.28 × 7,714.88
  4. Step 4: Simplify right side
    26,187.20x = 302,957,782.89
  5. Step 5: Solve for x
    x = 302,957,782.89/26,187.20
  6. Step 6: Final answer
    x = 11,568.93

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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.