Home / 19,891.09-27,424.20-16,292.80

Finding the Fourth Proportional to 19,891.09, 27,424.20 and 16,292.80

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Solution

The fourth proportional to 19,891.09, 27,424.20 and 16,292.80 is: 22,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.09 : 27,424.20 = 16,292.80 : x
  2. Step 2: Convert to fraction form
    19,891.09/27,424.20 = 16,292.80/x
  3. Step 3: Cross multiply
    19,891.09x = 27,424.20 × 16,292.80
  4. Step 4: Simplify right side
    19,891.09x = 446,817,005.76
  5. Step 5: Solve for x
    x = 446,817,005.76/19,891.09
  6. Step 6: Final answer
    x = 22,463.17

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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.