Home / 19,979.90-27,561.84-16,207.46

Finding the Fourth Proportional to 19,979.90, 27,561.84 and 16,207.46

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Solution

The fourth proportional to 19,979.90, 27,561.84 and 16,207.46 is: 22,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.90 : 27,561.84 = 16,207.46 : x
  2. Step 2: Convert to fraction form
    19,979.90/27,561.84 = 16,207.46/x
  3. Step 3: Cross multiply
    19,979.90x = 27,561.84 × 16,207.46
  4. Step 4: Simplify right side
    19,979.90x = 446,707,419.33
  5. Step 5: Solve for x
    x = 446,707,419.33/19,979.90
  6. Step 6: Final answer
    x = 22,357.84

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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.