Home / 38,568.75-57,857.72-13,603.62

Finding the Fourth Proportional to 38,568.75, 57,857.72 and 13,603.62

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Solution

The fourth proportional to 38,568.75, 57,857.72 and 13,603.62 is: 20,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.75 : 57,857.72 = 13,603.62 : x
  2. Step 2: Convert to fraction form
    38,568.75/57,857.72 = 13,603.62/x
  3. Step 3: Cross multiply
    38,568.75x = 57,857.72 × 13,603.62
  4. Step 4: Simplify right side
    38,568.75x = 787,074,368.93
  5. Step 5: Solve for x
    x = 787,074,368.93/38,568.75
  6. Step 6: Final answer
    x = 20,407.05

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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.