Home / 23,988.94-33,157.29-21,134.50

Finding the Fourth Proportional to 23,988.94, 33,157.29 and 21,134.50

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Solution

The fourth proportional to 23,988.94, 33,157.29 and 21,134.50 is: 29,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.94 : 33,157.29 = 21,134.50 : x
  2. Step 2: Convert to fraction form
    23,988.94/33,157.29 = 21,134.50/x
  3. Step 3: Cross multiply
    23,988.94x = 33,157.29 × 21,134.50
  4. Step 4: Simplify right side
    23,988.94x = 700,762,745.51
  5. Step 5: Solve for x
    x = 700,762,745.51/23,988.94
  6. Step 6: Final answer
    x = 29,211.91

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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.