Home / 26,300.72-39,451.40-8,770.55

Finding the Fourth Proportional to 26,300.72, 39,451.40 and 8,770.55

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Solution

The fourth proportional to 26,300.72, 39,451.40 and 8,770.55 is: 13,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.72 : 39,451.40 = 8,770.55 : x
  2. Step 2: Convert to fraction form
    26,300.72/39,451.40 = 8,770.55/x
  3. Step 3: Cross multiply
    26,300.72x = 39,451.40 × 8,770.55
  4. Step 4: Simplify right side
    26,300.72x = 346,010,235.16
  5. Step 5: Solve for x
    x = 346,010,235.16/26,300.72
  6. Step 6: Final answer
    x = 13,155.93

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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.