Home / 23,987.55-33,102.09-13,378.98

Finding the Fourth Proportional to 23,987.55, 33,102.09 and 13,378.98

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Solution

The fourth proportional to 23,987.55, 33,102.09 and 13,378.98 is: 18,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.55 : 33,102.09 = 13,378.98 : x
  2. Step 2: Convert to fraction form
    23,987.55/33,102.09 = 13,378.98/x
  3. Step 3: Cross multiply
    23,987.55x = 33,102.09 × 13,378.98
  4. Step 4: Simplify right side
    23,987.55x = 442,872,200.07
  5. Step 5: Solve for x
    x = 442,872,200.07/23,987.55
  6. Step 6: Final answer
    x = 18,462.59

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