Home / 27,616.95-38,110.24-15,680.95

Finding the Fourth Proportional to 27,616.95, 38,110.24 and 15,680.95

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Solution

The fourth proportional to 27,616.95, 38,110.24 and 15,680.95 is: 21,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.95 : 38,110.24 = 15,680.95 : x
  2. Step 2: Convert to fraction form
    27,616.95/38,110.24 = 15,680.95/x
  3. Step 3: Cross multiply
    27,616.95x = 38,110.24 × 15,680.95
  4. Step 4: Simplify right side
    27,616.95x = 597,604,767.93
  5. Step 5: Solve for x
    x = 597,604,767.93/27,616.95
  6. Step 6: Final answer
    x = 21,639.06

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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.