Home / 21,718.96-29,957.94-17,235.64

Finding the Fourth Proportional to 21,718.96, 29,957.94 and 17,235.64

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Solution

The fourth proportional to 21,718.96, 29,957.94 and 17,235.64 is: 23,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.96 : 29,957.94 = 17,235.64 : x
  2. Step 2: Convert to fraction form
    21,718.96/29,957.94 = 17,235.64/x
  3. Step 3: Cross multiply
    21,718.96x = 29,957.94 × 17,235.64
  4. Step 4: Simplify right side
    21,718.96x = 516,344,268.98
  5. Step 5: Solve for x
    x = 516,344,268.98/21,718.96
  6. Step 6: Final answer
    x = 23,773.89

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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.