Home / 27,792.32-38,360.59-17,040.78

Finding the Fourth Proportional to 27,792.32, 38,360.59 and 17,040.78

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Solution

The fourth proportional to 27,792.32, 38,360.59 and 17,040.78 is: 23,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.32 : 38,360.59 = 17,040.78 : x
  2. Step 2: Convert to fraction form
    27,792.32/38,360.59 = 17,040.78/x
  3. Step 3: Cross multiply
    27,792.32x = 38,360.59 × 17,040.78
  4. Step 4: Simplify right side
    27,792.32x = 653,694,332.26
  5. Step 5: Solve for x
    x = 653,694,332.26/27,792.32
  6. Step 6: Final answer
    x = 23,520.69

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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.