Home / 21,449.31-29,589.81-14,282.53

Finding the Fourth Proportional to 21,449.31, 29,589.81 and 14,282.53

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Solution

The fourth proportional to 21,449.31, 29,589.81 and 14,282.53 is: 19,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.31 : 29,589.81 = 14,282.53 : x
  2. Step 2: Convert to fraction form
    21,449.31/29,589.81 = 14,282.53/x
  3. Step 3: Cross multiply
    21,449.31x = 29,589.81 × 14,282.53
  4. Step 4: Simplify right side
    21,449.31x = 422,617,221.49
  5. Step 5: Solve for x
    x = 422,617,221.49/21,449.31
  6. Step 6: Final answer
    x = 19,703.07

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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.