Home / 26,319.15-39,479.07-8,788.98

Finding the Fourth Proportional to 26,319.15, 39,479.07 and 8,788.98

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Solution

The fourth proportional to 26,319.15, 39,479.07 and 8,788.98 is: 13,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.15 : 39,479.07 = 8,788.98 : x
  2. Step 2: Convert to fraction form
    26,319.15/39,479.07 = 8,788.98/x
  3. Step 3: Cross multiply
    26,319.15x = 39,479.07 × 8,788.98
  4. Step 4: Simplify right side
    26,319.15x = 346,980,801.90
  5. Step 5: Solve for x
    x = 346,980,801.90/26,319.15
  6. Step 6: Final answer
    x = 13,183.59

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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.