Home / 15,335.82-23,019.80-13,591.98

Finding the Fourth Proportional to 15,335.82, 23,019.80 and 13,591.98

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Solution

The fourth proportional to 15,335.82, 23,019.80 and 13,591.98 is: 20,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.82 : 23,019.80 = 13,591.98 : x
  2. Step 2: Convert to fraction form
    15,335.82/23,019.80 = 13,591.98/x
  3. Step 3: Cross multiply
    15,335.82x = 23,019.80 × 13,591.98
  4. Step 4: Simplify right side
    15,335.82x = 312,884,593.24
  5. Step 5: Solve for x
    x = 312,884,593.24/15,335.82
  6. Step 6: Final answer
    x = 20,402.21

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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.