Home / 40,272.22-60,396-19,201.15

Finding the Fourth Proportional to 40,272.22, 60,396 and 19,201.15

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Solution

The fourth proportional to 40,272.22, 60,396 and 19,201.15 is: 28,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.22 : 60,396 = 19,201.15 : x
  2. Step 2: Convert to fraction form
    40,272.22/60,396 = 19,201.15/x
  3. Step 3: Cross multiply
    40,272.22x = 60,396 × 19,201.15
  4. Step 4: Simplify right side
    40,272.22x = 1,159,672,655.40
  5. Step 5: Solve for x
    x = 1,159,672,655.40/40,272.22
  6. Step 6: Final answer
    x = 28,795.85

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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.