Home / 27,107.43-40,587.33-21,082.59

Finding the Fourth Proportional to 27,107.43, 40,587.33 and 21,082.59

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Solution

The fourth proportional to 27,107.43, 40,587.33 and 21,082.59 is: 31,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.43 : 40,587.33 = 21,082.59 : x
  2. Step 2: Convert to fraction form
    27,107.43/40,587.33 = 21,082.59/x
  3. Step 3: Cross multiply
    27,107.43x = 40,587.33 × 21,082.59
  4. Step 4: Simplify right side
    27,107.43x = 855,686,037.58
  5. Step 5: Solve for x
    x = 855,686,037.58/27,107.43
  6. Step 6: Final answer
    x = 31,566.48

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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.