Home / 27,727.67-38,264.10-15,152.42

Finding the Fourth Proportional to 27,727.67, 38,264.10 and 15,152.42

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Solution

The fourth proportional to 27,727.67, 38,264.10 and 15,152.42 is: 20,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.67 : 38,264.10 = 15,152.42 : x
  2. Step 2: Convert to fraction form
    27,727.67/38,264.10 = 15,152.42/x
  3. Step 3: Cross multiply
    27,727.67x = 38,264.10 × 15,152.42
  4. Step 4: Simplify right side
    27,727.67x = 579,793,714.12
  5. Step 5: Solve for x
    x = 579,793,714.12/27,727.67
  6. Step 6: Final answer
    x = 20,910.29

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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.