Home / 27,888.28-38,483.46-15,949.68

Finding the Fourth Proportional to 27,888.28, 38,483.46 and 15,949.68

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Solution

The fourth proportional to 27,888.28, 38,483.46 and 15,949.68 is: 22,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.28 : 38,483.46 = 15,949.68 : x
  2. Step 2: Convert to fraction form
    27,888.28/38,483.46 = 15,949.68/x
  3. Step 3: Cross multiply
    27,888.28x = 38,483.46 × 15,949.68
  4. Step 4: Simplify right side
    27,888.28x = 613,798,872.29
  5. Step 5: Solve for x
    x = 613,798,872.29/27,888.28
  6. Step 6: Final answer
    x = 22,009.21

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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.