Home / 19,758.06-29,642.15-16,765.62

Finding the Fourth Proportional to 19,758.06, 29,642.15 and 16,765.62

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Solution

The fourth proportional to 19,758.06, 29,642.15 and 16,765.62 is: 25,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.06 : 29,642.15 = 16,765.62 : x
  2. Step 2: Convert to fraction form
    19,758.06/29,642.15 = 16,765.62/x
  3. Step 3: Cross multiply
    19,758.06x = 29,642.15 × 16,765.62
  4. Step 4: Simplify right side
    19,758.06x = 496,968,953.64
  5. Step 5: Solve for x
    x = 496,968,953.64/19,758.06
  6. Step 6: Final answer
    x = 25,152.72

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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.