Home / 38,319.57-57,479.25-12,026.28

Finding the Fourth Proportional to 38,319.57, 57,479.25 and 12,026.28

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Solution

The fourth proportional to 38,319.57, 57,479.25 and 12,026.28 is: 18,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.57 : 57,479.25 = 12,026.28 : x
  2. Step 2: Convert to fraction form
    38,319.57/57,479.25 = 12,026.28/x
  3. Step 3: Cross multiply
    38,319.57x = 57,479.25 × 12,026.28
  4. Step 4: Simplify right side
    38,319.57x = 691,261,554.69
  5. Step 5: Solve for x
    x = 691,261,554.69/38,319.57
  6. Step 6: Final answer
    x = 18,039.39

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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.