Home / 26,412-39,590.70-8,875.92

Finding the Fourth Proportional to 26,412, 39,590.70 and 8,875.92

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Solution

The fourth proportional to 26,412, 39,590.70 and 8,875.92 is: 13,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412 : 39,590.70 = 8,875.92 : x
  2. Step 2: Convert to fraction form
    26,412/39,590.70 = 8,875.92/x
  3. Step 3: Cross multiply
    26,412x = 39,590.70 × 8,875.92
  4. Step 4: Simplify right side
    26,412x = 351,403,885.94
  5. Step 5: Solve for x
    x = 351,403,885.94/26,412
  6. Step 6: Final answer
    x = 13,304.71

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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.