Home / 21,926.28-32,876.34-8,784.84

Finding the Fourth Proportional to 21,926.28, 32,876.34 and 8,784.84

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Solution

The fourth proportional to 21,926.28, 32,876.34 and 8,784.84 is: 13,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.28 : 32,876.34 = 8,784.84 : x
  2. Step 2: Convert to fraction form
    21,926.28/32,876.34 = 8,784.84/x
  3. Step 3: Cross multiply
    21,926.28x = 32,876.34 × 8,784.84
  4. Step 4: Simplify right side
    21,926.28x = 288,813,386.69
  5. Step 5: Solve for x
    x = 288,813,386.69/21,926.28
  6. Step 6: Final answer
    x = 13,172.02

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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.