Home / 21,935.59-30,257.17-14,382.42

Finding the Fourth Proportional to 21,935.59, 30,257.17 and 14,382.42

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Solution

The fourth proportional to 21,935.59, 30,257.17 and 14,382.42 is: 19,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.59 : 30,257.17 = 14,382.42 : x
  2. Step 2: Convert to fraction form
    21,935.59/30,257.17 = 14,382.42/x
  3. Step 3: Cross multiply
    21,935.59x = 30,257.17 × 14,382.42
  4. Step 4: Simplify right side
    21,935.59x = 435,171,326.95
  5. Step 5: Solve for x
    x = 435,171,326.95/21,935.59
  6. Step 6: Final answer
    x = 19,838.60

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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.