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Finding the Fourth Proportional to 22,032.61, 33,041.90 and 7,238.09

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Solution

The fourth proportional to 22,032.61, 33,041.90 and 7,238.09 is: 10,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.61 : 33,041.90 = 7,238.09 : x
  2. Step 2: Convert to fraction form
    22,032.61/33,041.90 = 7,238.09/x
  3. Step 3: Cross multiply
    22,032.61x = 33,041.90 × 7,238.09
  4. Step 4: Simplify right side
    22,032.61x = 239,160,346.67
  5. Step 5: Solve for x
    x = 239,160,346.67/22,032.61
  6. Step 6: Final answer
    x = 10,854.84

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1.5x scale

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.