Home / 19,708.36-27,207.57-15,222.04

Finding the Fourth Proportional to 19,708.36, 27,207.57 and 15,222.04

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Solution

The fourth proportional to 19,708.36, 27,207.57 and 15,222.04 is: 21,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.36 : 27,207.57 = 15,222.04 : x
  2. Step 2: Convert to fraction form
    19,708.36/27,207.57 = 15,222.04/x
  3. Step 3: Cross multiply
    19,708.36x = 27,207.57 × 15,222.04
  4. Step 4: Simplify right side
    19,708.36x = 414,154,718.84
  5. Step 5: Solve for x
    x = 414,154,718.84/19,708.36
  6. Step 6: Final answer
    x = 21,014.16

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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.