Home / 38,288.37-57,432.51-11,995.16

Finding the Fourth Proportional to 38,288.37, 57,432.51 and 11,995.16

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Solution

The fourth proportional to 38,288.37, 57,432.51 and 11,995.16 is: 17,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.37 : 57,432.51 = 11,995.16 : x
  2. Step 2: Convert to fraction form
    38,288.37/57,432.51 = 11,995.16/x
  3. Step 3: Cross multiply
    38,288.37x = 57,432.51 × 11,995.16
  4. Step 4: Simplify right side
    38,288.37x = 688,912,146.65
  5. Step 5: Solve for x
    x = 688,912,146.65/38,288.37
  6. Step 6: Final answer
    x = 17,992.73

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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.