Home / 19,232.45-28,772.79-14,565.95

Finding the Fourth Proportional to 19,232.45, 28,772.79 and 14,565.95

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Solution

The fourth proportional to 19,232.45, 28,772.79 and 14,565.95 is: 21,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.45 : 28,772.79 = 14,565.95 : x
  2. Step 2: Convert to fraction form
    19,232.45/28,772.79 = 14,565.95/x
  3. Step 3: Cross multiply
    19,232.45x = 28,772.79 × 14,565.95
  4. Step 4: Simplify right side
    19,232.45x = 419,103,020.50
  5. Step 5: Solve for x
    x = 419,103,020.50/19,232.45
  6. Step 6: Final answer
    x = 21,791.45

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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.