Home / 21,669.36-32,503.80-6,877.88

Finding the Fourth Proportional to 21,669.36, 32,503.80 and 6,877.88

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Solution

The fourth proportional to 21,669.36, 32,503.80 and 6,877.88 is: 10,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.36 : 32,503.80 = 6,877.88 : x
  2. Step 2: Convert to fraction form
    21,669.36/32,503.80 = 6,877.88/x
  3. Step 3: Cross multiply
    21,669.36x = 32,503.80 × 6,877.88
  4. Step 4: Simplify right side
    21,669.36x = 223,557,235.94
  5. Step 5: Solve for x
    x = 223,557,235.94/21,669.36
  6. Step 6: Final answer
    x = 10,316.74

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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.