Home / 27,665.48-38,177.04-16,928.20

Finding the Fourth Proportional to 27,665.48, 38,177.04 and 16,928.20

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Solution

The fourth proportional to 27,665.48, 38,177.04 and 16,928.20 is: 23,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.48 : 38,177.04 = 16,928.20 : x
  2. Step 2: Convert to fraction form
    27,665.48/38,177.04 = 16,928.20/x
  3. Step 3: Cross multiply
    27,665.48x = 38,177.04 × 16,928.20
  4. Step 4: Simplify right side
    27,665.48x = 646,268,568.53
  5. Step 5: Solve for x
    x = 646,268,568.53/27,665.48
  6. Step 6: Final answer
    x = 23,360.11

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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.