Home / 21,713.81-29,975.27-16,338.24

Finding the Fourth Proportional to 21,713.81, 29,975.27 and 16,338.24

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Solution

The fourth proportional to 21,713.81, 29,975.27 and 16,338.24 is: 22,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.81 : 29,975.27 = 16,338.24 : x
  2. Step 2: Convert to fraction form
    21,713.81/29,975.27 = 16,338.24/x
  3. Step 3: Cross multiply
    21,713.81x = 29,975.27 × 16,338.24
  4. Step 4: Simplify right side
    21,713.81x = 489,743,073.63
  5. Step 5: Solve for x
    x = 489,743,073.63/21,713.81
  6. Step 6: Final answer
    x = 22,554.46

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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.