Home / 27,949.01-38,569.77-15,202.28

Finding the Fourth Proportional to 27,949.01, 38,569.77 and 15,202.28

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Solution

The fourth proportional to 27,949.01, 38,569.77 and 15,202.28 is: 20,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.01 : 38,569.77 = 15,202.28 : x
  2. Step 2: Convert to fraction form
    27,949.01/38,569.77 = 15,202.28/x
  3. Step 3: Cross multiply
    27,949.01x = 38,569.77 × 15,202.28
  4. Step 4: Simplify right side
    27,949.01x = 586,348,250.23
  5. Step 5: Solve for x
    x = 586,348,250.23/27,949.01
  6. Step 6: Final answer
    x = 20,979.22

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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.