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Finding the Fourth Proportional to 22,484.67, 33,700.74 and 16,920.12

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Solution

The fourth proportional to 22,484.67, 33,700.74 and 16,920.12 is: 25,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.67 : 33,700.74 = 16,920.12 : x
  2. Step 2: Convert to fraction form
    22,484.67/33,700.74 = 16,920.12/x
  3. Step 3: Cross multiply
    22,484.67x = 33,700.74 × 16,920.12
  4. Step 4: Simplify right side
    22,484.67x = 570,220,564.89
  5. Step 5: Solve for x
    x = 570,220,564.89/22,484.67
  6. Step 6: Final answer
    x = 25,360.42

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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.