Home / 21,326.07-31,972.59-14,294.82

Finding the Fourth Proportional to 21,326.07, 31,972.59 and 14,294.82

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Solution

The fourth proportional to 21,326.07, 31,972.59 and 14,294.82 is: 21,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326.07 : 31,972.59 = 14,294.82 : x
  2. Step 2: Convert to fraction form
    21,326.07/31,972.59 = 14,294.82/x
  3. Step 3: Cross multiply
    21,326.07x = 31,972.59 × 14,294.82
  4. Step 4: Simplify right side
    21,326.07x = 457,042,418.98
  5. Step 5: Solve for x
    x = 457,042,418.98/21,326.07
  6. Step 6: Final answer
    x = 21,431.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.