Home / 38,626.25-57,965.34-13,666.20

Finding the Fourth Proportional to 38,626.25, 57,965.34 and 13,666.20

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Solution

The fourth proportional to 38,626.25, 57,965.34 and 13,666.20 is: 20,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.25 : 57,965.34 = 13,666.20 : x
  2. Step 2: Convert to fraction form
    38,626.25/57,965.34 = 13,666.20/x
  3. Step 3: Cross multiply
    38,626.25x = 57,965.34 × 13,666.20
  4. Step 4: Simplify right side
    38,626.25x = 792,165,929.51
  5. Step 5: Solve for x
    x = 792,165,929.51/38,626.25
  6. Step 6: Final answer
    x = 20,508.49

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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.