Home / 21,788.93-32,684.54-6,996.69

Finding the Fourth Proportional to 21,788.93, 32,684.54 and 6,996.69

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Solution

The fourth proportional to 21,788.93, 32,684.54 and 6,996.69 is: 10,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788.93 : 32,684.54 = 6,996.69 : x
  2. Step 2: Convert to fraction form
    21,788.93/32,684.54 = 6,996.69/x
  3. Step 3: Cross multiply
    21,788.93x = 32,684.54 × 6,996.69
  4. Step 4: Simplify right side
    21,788.93x = 228,683,669.11
  5. Step 5: Solve for x
    x = 228,683,669.11/21,788.93
  6. Step 6: Final answer
    x = 10,495.41

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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.