Home / 19,562.12-29,372.52-18,881.72

Finding the Fourth Proportional to 19,562.12, 29,372.52 and 18,881.72

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Solution

The fourth proportional to 19,562.12, 29,372.52 and 18,881.72 is: 28,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.12 : 29,372.52 = 18,881.72 : x
  2. Step 2: Convert to fraction form
    19,562.12/29,372.52 = 18,881.72/x
  3. Step 3: Cross multiply
    19,562.12x = 29,372.52 × 18,881.72
  4. Step 4: Simplify right side
    19,562.12x = 554,603,698.33
  5. Step 5: Solve for x
    x = 554,603,698.33/19,562.12
  6. Step 6: Final answer
    x = 28,350.90

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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.