Home / 21,627.27-29,855.25-14,468.49

Finding the Fourth Proportional to 21,627.27, 29,855.25 and 14,468.49

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Solution

The fourth proportional to 21,627.27, 29,855.25 and 14,468.49 is: 19,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.27 : 29,855.25 = 14,468.49 : x
  2. Step 2: Convert to fraction form
    21,627.27/29,855.25 = 14,468.49/x
  3. Step 3: Cross multiply
    21,627.27x = 29,855.25 × 14,468.49
  4. Step 4: Simplify right side
    21,627.27x = 431,960,386.07
  5. Step 5: Solve for x
    x = 431,960,386.07/21,627.27
  6. Step 6: Final answer
    x = 19,972.95

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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.