Home / 27,578.52-38,071.26-17,648.28

Finding the Fourth Proportional to 27,578.52, 38,071.26 and 17,648.28

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Solution

The fourth proportional to 27,578.52, 38,071.26 and 17,648.28 is: 24,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.52 : 38,071.26 = 17,648.28 : x
  2. Step 2: Convert to fraction form
    27,578.52/38,071.26 = 17,648.28/x
  3. Step 3: Cross multiply
    27,578.52x = 38,071.26 × 17,648.28
  4. Step 4: Simplify right side
    27,578.52x = 671,892,256.43
  5. Step 5: Solve for x
    x = 671,892,256.43/27,578.52
  6. Step 6: Final answer
    x = 24,362.88

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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.