Home / 21,464.28-29,620.58-12,032.84

Finding the Fourth Proportional to 21,464.28, 29,620.58 and 12,032.84

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Solution

The fourth proportional to 21,464.28, 29,620.58 and 12,032.84 is: 16,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.28 : 29,620.58 = 12,032.84 : x
  2. Step 2: Convert to fraction form
    21,464.28/29,620.58 = 12,032.84/x
  3. Step 3: Cross multiply
    21,464.28x = 29,620.58 × 12,032.84
  4. Step 4: Simplify right side
    21,464.28x = 356,419,699.85
  5. Step 5: Solve for x
    x = 356,419,699.85/21,464.28
  6. Step 6: Final answer
    x = 16,605.25

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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.