Home / 26,391.12-39,590.33-8,865.96

Finding the Fourth Proportional to 26,391.12, 39,590.33 and 8,865.96

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Solution

The fourth proportional to 26,391.12, 39,590.33 and 8,865.96 is: 13,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.12 : 39,590.33 = 8,865.96 : x
  2. Step 2: Convert to fraction form
    26,391.12/39,590.33 = 8,865.96/x
  3. Step 3: Cross multiply
    26,391.12x = 39,590.33 × 8,865.96
  4. Step 4: Simplify right side
    26,391.12x = 351,006,237.84
  5. Step 5: Solve for x
    x = 351,006,237.84/26,391.12
  6. Step 6: Final answer
    x = 13,300.16

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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.