Home / 27,671.16-38,186.10-15,095.88

Finding the Fourth Proportional to 27,671.16, 38,186.10 and 15,095.88

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Solution

The fourth proportional to 27,671.16, 38,186.10 and 15,095.88 is: 20,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.16 : 38,186.10 = 15,095.88 : x
  2. Step 2: Convert to fraction form
    27,671.16/38,186.10 = 15,095.88/x
  3. Step 3: Cross multiply
    27,671.16x = 38,186.10 × 15,095.88
  4. Step 4: Simplify right side
    27,671.16x = 576,452,783.27
  5. Step 5: Solve for x
    x = 576,452,783.27/27,671.16
  6. Step 6: Final answer
    x = 20,832.26

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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.