Home / 27,319.60-40,956.48-8,587.84

Finding the Fourth Proportional to 27,319.60, 40,956.48 and 8,587.84

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Solution

The fourth proportional to 27,319.60, 40,956.48 and 8,587.84 is: 12,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.60 : 40,956.48 = 8,587.84 : x
  2. Step 2: Convert to fraction form
    27,319.60/40,956.48 = 8,587.84/x
  3. Step 3: Cross multiply
    27,319.60x = 40,956.48 × 8,587.84
  4. Step 4: Simplify right side
    27,319.60x = 351,727,697.20
  5. Step 5: Solve for x
    x = 351,727,697.20/27,319.60
  6. Step 6: Final answer
    x = 12,874.56

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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.