Home / 27,306.04-40,964.52-8,590.78

Finding the Fourth Proportional to 27,306.04, 40,964.52 and 8,590.78

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Solution

The fourth proportional to 27,306.04, 40,964.52 and 8,590.78 is: 12,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.04 : 40,964.52 = 8,590.78 : x
  2. Step 2: Convert to fraction form
    27,306.04/40,964.52 = 8,590.78/x
  3. Step 3: Cross multiply
    27,306.04x = 40,964.52 × 8,590.78
  4. Step 4: Simplify right side
    27,306.04x = 351,917,179.13
  5. Step 5: Solve for x
    x = 351,917,179.13/27,306.04
  6. Step 6: Final answer
    x = 12,887.89

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1.5x scale

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.