Home / 18,758.03-28,144.33-18,476.46

Finding the Fourth Proportional to 18,758.03, 28,144.33 and 18,476.46

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Solution

The fourth proportional to 18,758.03, 28,144.33 and 18,476.46 is: 27,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.03 : 28,144.33 = 18,476.46 : x
  2. Step 2: Convert to fraction form
    18,758.03/28,144.33 = 18,476.46/x
  3. Step 3: Cross multiply
    18,758.03x = 28,144.33 × 18,476.46
  4. Step 4: Simplify right side
    18,758.03x = 520,007,541.28
  5. Step 5: Solve for x
    x = 520,007,541.28/18,758.03
  6. Step 6: Final answer
    x = 27,721.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.