Home / 21,926.47-32,890.11-7,135.33

Finding the Fourth Proportional to 21,926.47, 32,890.11 and 7,135.33

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Solution

The fourth proportional to 21,926.47, 32,890.11 and 7,135.33 is: 10,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.47 : 32,890.11 = 7,135.33 : x
  2. Step 2: Convert to fraction form
    21,926.47/32,890.11 = 7,135.33/x
  3. Step 3: Cross multiply
    21,926.47x = 32,890.11 × 7,135.33
  4. Step 4: Simplify right side
    21,926.47x = 234,681,788.59
  5. Step 5: Solve for x
    x = 234,681,788.59/21,926.47
  6. Step 6: Final answer
    x = 10,703.13

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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.