Home / 38,157.76-57,235.75-10,079.79

Finding the Fourth Proportional to 38,157.76, 57,235.75 and 10,079.79

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Solution

The fourth proportional to 38,157.76, 57,235.75 and 10,079.79 is: 15,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.76 : 57,235.75 = 10,079.79 : x
  2. Step 2: Convert to fraction form
    38,157.76/57,235.75 = 10,079.79/x
  3. Step 3: Cross multiply
    38,157.76x = 57,235.75 × 10,079.79
  4. Step 4: Simplify right side
    38,157.76x = 576,924,340.49
  5. Step 5: Solve for x
    x = 576,924,340.49/38,157.76
  6. Step 6: Final answer
    x = 15,119.45

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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.