Home / 38,627.25-57,966.84-13,667.20

Finding the Fourth Proportional to 38,627.25, 57,966.84 and 13,667.20

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Solution

The fourth proportional to 38,627.25, 57,966.84 and 13,667.20 is: 20,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.25 : 57,966.84 = 13,667.20 : x
  2. Step 2: Convert to fraction form
    38,627.25/57,966.84 = 13,667.20/x
  3. Step 3: Cross multiply
    38,627.25x = 57,966.84 × 13,667.20
  4. Step 4: Simplify right side
    38,627.25x = 792,244,395.65
  5. Step 5: Solve for x
    x = 792,244,395.65/38,627.25
  6. Step 6: Final answer
    x = 20,509.99

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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.