Home / 21,626.77-29,845.02-12,066.61

Finding the Fourth Proportional to 21,626.77, 29,845.02 and 12,066.61

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Solution

The fourth proportional to 21,626.77, 29,845.02 and 12,066.61 is: 16,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.77 : 29,845.02 = 12,066.61 : x
  2. Step 2: Convert to fraction form
    21,626.77/29,845.02 = 12,066.61/x
  3. Step 3: Cross multiply
    21,626.77x = 29,845.02 × 12,066.61
  4. Step 4: Simplify right side
    21,626.77x = 360,128,216.78
  5. Step 5: Solve for x
    x = 360,128,216.78/21,626.77
  6. Step 6: Final answer
    x = 16,651.96

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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.