Home / 38,120.35-57,170.16-15,929.08

Finding the Fourth Proportional to 38,120.35, 57,170.16 and 15,929.08

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Solution

The fourth proportional to 38,120.35, 57,170.16 and 15,929.08 is: 23,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.35 : 57,170.16 = 15,929.08 : x
  2. Step 2: Convert to fraction form
    38,120.35/57,170.16 = 15,929.08/x
  3. Step 3: Cross multiply
    38,120.35x = 57,170.16 × 15,929.08
  4. Step 4: Simplify right side
    38,120.35x = 910,668,052.25
  5. Step 5: Solve for x
    x = 910,668,052.25/38,120.35
  6. Step 6: Final answer
    x = 23,889.29

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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.