Home / 19,930.45-27,473.98-16,387.51

Finding the Fourth Proportional to 19,930.45, 27,473.98 and 16,387.51

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Solution

The fourth proportional to 19,930.45, 27,473.98 and 16,387.51 is: 22,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.45 : 27,473.98 = 16,387.51 : x
  2. Step 2: Convert to fraction form
    19,930.45/27,473.98 = 16,387.51/x
  3. Step 3: Cross multiply
    19,930.45x = 27,473.98 × 16,387.51
  4. Step 4: Simplify right side
    19,930.45x = 450,230,121.99
  5. Step 5: Solve for x
    x = 450,230,121.99/19,930.45
  6. Step 6: Final answer
    x = 22,590.06

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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.