Home / 27,160.15-40,741.08-8,440.28

Finding the Fourth Proportional to 27,160.15, 40,741.08 and 8,440.28

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Solution

The fourth proportional to 27,160.15, 40,741.08 and 8,440.28 is: 12,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.15 : 40,741.08 = 8,440.28 : x
  2. Step 2: Convert to fraction form
    27,160.15/40,741.08 = 8,440.28/x
  3. Step 3: Cross multiply
    27,160.15x = 40,741.08 × 8,440.28
  4. Step 4: Simplify right side
    27,160.15x = 343,866,224.56
  5. Step 5: Solve for x
    x = 343,866,224.56/27,160.15
  6. Step 6: Final answer
    x = 12,660.69

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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.