Home / 19,981.90-27,574.26-11,029.24

Finding the Fourth Proportional to 19,981.90, 27,574.26 and 11,029.24

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Solution

The fourth proportional to 19,981.90, 27,574.26 and 11,029.24 is: 15,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.90 : 27,574.26 = 11,029.24 : x
  2. Step 2: Convert to fraction form
    19,981.90/27,574.26 = 11,029.24/x
  3. Step 3: Cross multiply
    19,981.90x = 27,574.26 × 11,029.24
  4. Step 4: Simplify right side
    19,981.90x = 304,123,131.36
  5. Step 5: Solve for x
    x = 304,123,131.36/19,981.90
  6. Step 6: Final answer
    x = 15,219.93

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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.