Home / 38,142.06-57,221.34-15,652.80

Finding the Fourth Proportional to 38,142.06, 57,221.34 and 15,652.80

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Solution

The fourth proportional to 38,142.06, 57,221.34 and 15,652.80 is: 23,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.06 : 57,221.34 = 15,652.80 : x
  2. Step 2: Convert to fraction form
    38,142.06/57,221.34 = 15,652.80/x
  3. Step 3: Cross multiply
    38,142.06x = 57,221.34 × 15,652.80
  4. Step 4: Simplify right side
    38,142.06x = 895,674,190.75
  5. Step 5: Solve for x
    x = 895,674,190.75/38,142.06
  6. Step 6: Final answer
    x = 23,482.59

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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.