Home / 27,902.16-38,505.84-15,326.92

Finding the Fourth Proportional to 27,902.16, 38,505.84 and 15,326.92

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Solution

The fourth proportional to 27,902.16, 38,505.84 and 15,326.92 is: 21,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.16 : 38,505.84 = 15,326.92 : x
  2. Step 2: Convert to fraction form
    27,902.16/38,505.84 = 15,326.92/x
  3. Step 3: Cross multiply
    27,902.16x = 38,505.84 × 15,326.92
  4. Step 4: Simplify right side
    27,902.16x = 590,175,929.21
  5. Step 5: Solve for x
    x = 590,175,929.21/27,902.16
  6. Step 6: Final answer
    x = 21,151.62

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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.