Home / 27,199.08-40,760.31-21,627.69

Finding the Fourth Proportional to 27,199.08, 40,760.31 and 21,627.69

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Solution

The fourth proportional to 27,199.08, 40,760.31 and 21,627.69 is: 32,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,199.08 : 40,760.31 = 21,627.69 : x
  2. Step 2: Convert to fraction form
    27,199.08/40,760.31 = 21,627.69/x
  3. Step 3: Cross multiply
    27,199.08x = 40,760.31 × 21,627.69
  4. Step 4: Simplify right side
    27,199.08x = 881,551,348.98
  5. Step 5: Solve for x
    x = 881,551,348.98/27,199.08
  6. Step 6: Final answer
    x = 32,411.07

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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.