Home / 21,979.74-30,323.67-16,250.97

Finding the Fourth Proportional to 21,979.74, 30,323.67 and 16,250.97

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Solution

The fourth proportional to 21,979.74, 30,323.67 and 16,250.97 is: 22,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,979.74 : 30,323.67 = 16,250.97 : x
  2. Step 2: Convert to fraction form
    21,979.74/30,323.67 = 16,250.97/x
  3. Step 3: Cross multiply
    21,979.74x = 30,323.67 × 16,250.97
  4. Step 4: Simplify right side
    21,979.74x = 492,789,051.46
  5. Step 5: Solve for x
    x = 492,789,051.46/21,979.74
  6. Step 6: Final answer
    x = 22,420.15

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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.