Home / 27,021.12-40,531.80-8,301

Finding the Fourth Proportional to 27,021.12, 40,531.80 and 8,301

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Solution

The fourth proportional to 27,021.12, 40,531.80 and 8,301 is: 12,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.12 : 40,531.80 = 8,301 : x
  2. Step 2: Convert to fraction form
    27,021.12/40,531.80 = 8,301/x
  3. Step 3: Cross multiply
    27,021.12x = 40,531.80 × 8,301
  4. Step 4: Simplify right side
    27,021.12x = 336,454,471.80
  5. Step 5: Solve for x
    x = 336,454,471.80/27,021.12
  6. Step 6: Final answer
    x = 12,451.54

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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.