Home / 27,261.91-40,892.85-8,543.42

Finding the Fourth Proportional to 27,261.91, 40,892.85 and 8,543.42

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Solution

The fourth proportional to 27,261.91, 40,892.85 and 8,543.42 is: 12,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.91 : 40,892.85 = 8,543.42 : x
  2. Step 2: Convert to fraction form
    27,261.91/40,892.85 = 8,543.42/x
  3. Step 3: Cross multiply
    27,261.91x = 40,892.85 × 8,543.42
  4. Step 4: Simplify right side
    27,261.91x = 349,364,792.55
  5. Step 5: Solve for x
    x = 349,364,792.55/27,261.91
  6. Step 6: Final answer
    x = 12,815.13

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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.