Home / 23,985.65-33,100.34-13,375.95

Finding the Fourth Proportional to 23,985.65, 33,100.34 and 13,375.95

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Solution

The fourth proportional to 23,985.65, 33,100.34 and 13,375.95 is: 18,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.65 : 33,100.34 = 13,375.95 : x
  2. Step 2: Convert to fraction form
    23,985.65/33,100.34 = 13,375.95/x
  3. Step 3: Cross multiply
    23,985.65x = 33,100.34 × 13,375.95
  4. Step 4: Simplify right side
    23,985.65x = 442,748,425.94
  5. Step 5: Solve for x
    x = 442,748,425.94/23,985.65
  6. Step 6: Final answer
    x = 18,458.89

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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.