Home / 27,128.92-40,427.12-26,237.11

Finding the Fourth Proportional to 27,128.92, 40,427.12 and 26,237.11

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Solution

The fourth proportional to 27,128.92, 40,427.12 and 26,237.11 is: 39,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.92 : 40,427.12 = 26,237.11 : x
  2. Step 2: Convert to fraction form
    27,128.92/40,427.12 = 26,237.11/x
  3. Step 3: Cross multiply
    27,128.92x = 40,427.12 × 26,237.11
  4. Step 4: Simplify right side
    27,128.92x = 1,060,690,794.42
  5. Step 5: Solve for x
    x = 1,060,690,794.42/27,128.92
  6. Step 6: Final answer
    x = 39,098.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.