Home / 19,981.65-27,574.13-11,028.50

Finding the Fourth Proportional to 19,981.65, 27,574.13 and 11,028.50

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Solution

The fourth proportional to 19,981.65, 27,574.13 and 11,028.50 is: 15,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.65 : 27,574.13 = 11,028.50 : x
  2. Step 2: Convert to fraction form
    19,981.65/27,574.13 = 11,028.50/x
  3. Step 3: Cross multiply
    19,981.65x = 27,574.13 × 11,028.50
  4. Step 4: Simplify right side
    19,981.65x = 304,101,292.71
  5. Step 5: Solve for x
    x = 304,101,292.71/19,981.65
  6. Step 6: Final answer
    x = 15,219.03

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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.