Home / 38,288.99-57,439.64-13,336.23

Finding the Fourth Proportional to 38,288.99, 57,439.64 and 13,336.23

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Solution

The fourth proportional to 38,288.99, 57,439.64 and 13,336.23 is: 20,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.99 : 57,439.64 = 13,336.23 : x
  2. Step 2: Convert to fraction form
    38,288.99/57,439.64 = 13,336.23/x
  3. Step 3: Cross multiply
    38,288.99x = 57,439.64 × 13,336.23
  4. Step 4: Simplify right side
    38,288.99x = 766,028,250.16
  5. Step 5: Solve for x
    x = 766,028,250.16/38,288.99
  6. Step 6: Final answer
    x = 20,006.49

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Double scale
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Similar ratio
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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.