Home / 28,458.06-39,235.62-23,334.70

Finding the Fourth Proportional to 28,458.06, 39,235.62 and 23,334.70

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Solution

The fourth proportional to 28,458.06, 39,235.62 and 23,334.70 is: 32,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.06 : 39,235.62 = 23,334.70 : x
  2. Step 2: Convert to fraction form
    28,458.06/39,235.62 = 23,334.70/x
  3. Step 3: Cross multiply
    28,458.06x = 39,235.62 × 23,334.70
  4. Step 4: Simplify right side
    28,458.06x = 915,551,422.01
  5. Step 5: Solve for x
    x = 915,551,422.01/28,458.06
  6. Step 6: Final answer
    x = 32,171.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.