Home / 28,923.50-43,335.68-19,418.02

Finding the Fourth Proportional to 28,923.50, 43,335.68 and 19,418.02

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Solution

The fourth proportional to 28,923.50, 43,335.68 and 19,418.02 is: 29,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.50 : 43,335.68 = 19,418.02 : x
  2. Step 2: Convert to fraction form
    28,923.50/43,335.68 = 19,418.02/x
  3. Step 3: Cross multiply
    28,923.50x = 43,335.68 × 19,418.02
  4. Step 4: Simplify right side
    28,923.50x = 841,493,100.95
  5. Step 5: Solve for x
    x = 841,493,100.95/28,923.50
  6. Step 6: Final answer
    x = 29,093.75

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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.