Home / 21,952.05-32,929.44-8,802.72

Finding the Fourth Proportional to 21,952.05, 32,929.44 and 8,802.72

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Solution

The fourth proportional to 21,952.05, 32,929.44 and 8,802.72 is: 13,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.05 : 32,929.44 = 8,802.72 : x
  2. Step 2: Convert to fraction form
    21,952.05/32,929.44 = 8,802.72/x
  3. Step 3: Cross multiply
    21,952.05x = 32,929.44 × 8,802.72
  4. Step 4: Simplify right side
    21,952.05x = 289,868,640.08
  5. Step 5: Solve for x
    x = 289,868,640.08/21,952.05
  6. Step 6: Final answer
    x = 13,204.63

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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.