Home / 26,500.70-39,752.40-6,779.42

Finding the Fourth Proportional to 26,500.70, 39,752.40 and 6,779.42

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Solution

The fourth proportional to 26,500.70, 39,752.40 and 6,779.42 is: 10,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.70 : 39,752.40 = 6,779.42 : x
  2. Step 2: Convert to fraction form
    26,500.70/39,752.40 = 6,779.42/x
  3. Step 3: Cross multiply
    26,500.70x = 39,752.40 × 6,779.42
  4. Step 4: Simplify right side
    26,500.70x = 269,498,215.61
  5. Step 5: Solve for x
    x = 269,498,215.61/26,500.70
  6. Step 6: Final answer
    x = 10,169.48

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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.