Home / 27,671.16-38,185.76-15,734.24

Finding the Fourth Proportional to 27,671.16, 38,185.76 and 15,734.24

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Solution

The fourth proportional to 27,671.16, 38,185.76 and 15,734.24 is: 21,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.16 : 38,185.76 = 15,734.24 : x
  2. Step 2: Convert to fraction form
    27,671.16/38,185.76 = 15,734.24/x
  3. Step 3: Cross multiply
    27,671.16x = 38,185.76 × 15,734.24
  4. Step 4: Simplify right side
    27,671.16x = 600,823,912.42
  5. Step 5: Solve for x
    x = 600,823,912.42/27,671.16
  6. Step 6: Final answer
    x = 21,713.00

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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.