Home / 19,765.87-29,650.34-5,726.10

Finding the Fourth Proportional to 19,765.87, 29,650.34 and 5,726.10

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Solution

The fourth proportional to 19,765.87, 29,650.34 and 5,726.10 is: 8,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.87 : 29,650.34 = 5,726.10 : x
  2. Step 2: Convert to fraction form
    19,765.87/29,650.34 = 5,726.10/x
  3. Step 3: Cross multiply
    19,765.87x = 29,650.34 × 5,726.10
  4. Step 4: Simplify right side
    19,765.87x = 169,780,671.46
  5. Step 5: Solve for x
    x = 169,780,671.46/19,765.87
  6. Step 6: Final answer
    x = 8,589.59

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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.