Home / 27,900.64-38,499.19-17,286.40

Finding the Fourth Proportional to 27,900.64, 38,499.19 and 17,286.40

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Solution

The fourth proportional to 27,900.64, 38,499.19 and 17,286.40 is: 23,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.64 : 38,499.19 = 17,286.40 : x
  2. Step 2: Convert to fraction form
    27,900.64/38,499.19 = 17,286.40/x
  3. Step 3: Cross multiply
    27,900.64x = 38,499.19 × 17,286.40
  4. Step 4: Simplify right side
    27,900.64x = 665,512,398.02
  5. Step 5: Solve for x
    x = 665,512,398.02/27,900.64
  6. Step 6: Final answer
    x = 23,852.94

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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.