Home / 21,204.22-29,272.77-14,944.54

Finding the Fourth Proportional to 21,204.22, 29,272.77 and 14,944.54

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Solution

The fourth proportional to 21,204.22, 29,272.77 and 14,944.54 is: 20,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.22 : 29,272.77 = 14,944.54 : x
  2. Step 2: Convert to fraction form
    21,204.22/29,272.77 = 14,944.54/x
  3. Step 3: Cross multiply
    21,204.22x = 29,272.77 × 14,944.54
  4. Step 4: Simplify right side
    21,204.22x = 437,468,082.18
  5. Step 5: Solve for x
    x = 437,468,082.18/21,204.22
  6. Step 6: Final answer
    x = 20,631.18

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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.