Home / 26,843.88-37,046.16-15,515.40

Finding the Fourth Proportional to 26,843.88, 37,046.16 and 15,515.40

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Solution

The fourth proportional to 26,843.88, 37,046.16 and 15,515.40 is: 21,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.88 : 37,046.16 = 15,515.40 : x
  2. Step 2: Convert to fraction form
    26,843.88/37,046.16 = 15,515.40/x
  3. Step 3: Cross multiply
    26,843.88x = 37,046.16 × 15,515.40
  4. Step 4: Simplify right side
    26,843.88x = 574,785,990.86
  5. Step 5: Solve for x
    x = 574,785,990.86/26,843.88
  6. Step 6: Final answer
    x = 21,412.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.