Home / 26,590.86-39,886.42-6,868.05

Finding the Fourth Proportional to 26,590.86, 39,886.42 and 6,868.05

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Solution

The fourth proportional to 26,590.86, 39,886.42 and 6,868.05 is: 10,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.86 : 39,886.42 = 6,868.05 : x
  2. Step 2: Convert to fraction form
    26,590.86/39,886.42 = 6,868.05/x
  3. Step 3: Cross multiply
    26,590.86x = 39,886.42 × 6,868.05
  4. Step 4: Simplify right side
    26,590.86x = 273,941,926.88
  5. Step 5: Solve for x
    x = 273,941,926.88/26,590.86
  6. Step 6: Final answer
    x = 10,302.11

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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.