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Finding the Fourth Proportional to 33,916.80, 50,892.03 and 15,210.03

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Solution

The fourth proportional to 33,916.80, 50,892.03 and 15,210.03 is: 22,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,916.80 : 50,892.03 = 15,210.03 : x
  2. Step 2: Convert to fraction form
    33,916.80/50,892.03 = 15,210.03/x
  3. Step 3: Cross multiply
    33,916.80x = 50,892.03 × 15,210.03
  4. Step 4: Simplify right side
    33,916.80x = 774,069,303.06
  5. Step 5: Solve for x
    x = 774,069,303.06/33,916.80
  6. Step 6: Final answer
    x = 22,822.59

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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.