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Finding the Fourth Proportional to 24,388.89, 33,656.49 and 13,210.89

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Solution

The fourth proportional to 24,388.89, 33,656.49 and 13,210.89 is: 18,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,388.89 : 33,656.49 = 13,210.89 : x
  2. Step 2: Convert to fraction form
    24,388.89/33,656.49 = 13,210.89/x
  3. Step 3: Cross multiply
    24,388.89x = 33,656.49 × 13,210.89
  4. Step 4: Simplify right side
    24,388.89x = 444,632,187.18
  5. Step 5: Solve for x
    x = 444,632,187.18/24,388.89
  6. Step 6: Final answer
    x = 18,230.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.