Home / 38,189.28-57,285.48-10,487.28

Finding the Fourth Proportional to 38,189.28, 57,285.48 and 10,487.28

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Solution

The fourth proportional to 38,189.28, 57,285.48 and 10,487.28 is: 15,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.28 : 57,285.48 = 10,487.28 : x
  2. Step 2: Convert to fraction form
    38,189.28/57,285.48 = 10,487.28/x
  3. Step 3: Cross multiply
    38,189.28x = 57,285.48 × 10,487.28
  4. Step 4: Simplify right side
    38,189.28x = 600,768,868.69
  5. Step 5: Solve for x
    x = 600,768,868.69/38,189.28
  6. Step 6: Final answer
    x = 15,731.35

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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.