Home / 26,678.48-40,017.76-7,958.04

Finding the Fourth Proportional to 26,678.48, 40,017.76 and 7,958.04

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Solution

The fourth proportional to 26,678.48, 40,017.76 and 7,958.04 is: 11,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.48 : 40,017.76 = 7,958.04 : x
  2. Step 2: Convert to fraction form
    26,678.48/40,017.76 = 7,958.04/x
  3. Step 3: Cross multiply
    26,678.48x = 40,017.76 × 7,958.04
  4. Step 4: Simplify right side
    26,678.48x = 318,462,934.79
  5. Step 5: Solve for x
    x = 318,462,934.79/26,678.48
  6. Step 6: Final answer
    x = 11,937.07

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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.