Home / 27,825.52-38,398.80-15,250.28

Finding the Fourth Proportional to 27,825.52, 38,398.80 and 15,250.28

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Solution

The fourth proportional to 27,825.52, 38,398.80 and 15,250.28 is: 21,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.52 : 38,398.80 = 15,250.28 : x
  2. Step 2: Convert to fraction form
    27,825.52/38,398.80 = 15,250.28/x
  3. Step 3: Cross multiply
    27,825.52x = 38,398.80 × 15,250.28
  4. Step 4: Simplify right side
    27,825.52x = 585,592,451.66
  5. Step 5: Solve for x
    x = 585,592,451.66/27,825.52
  6. Step 6: Final answer
    x = 21,045.16

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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.