Home / 21,842.07-30,102.03-15,863.33

Finding the Fourth Proportional to 21,842.07, 30,102.03 and 15,863.33

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Solution

The fourth proportional to 21,842.07, 30,102.03 and 15,863.33 is: 21,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842.07 : 30,102.03 = 15,863.33 : x
  2. Step 2: Convert to fraction form
    21,842.07/30,102.03 = 15,863.33/x
  3. Step 3: Cross multiply
    21,842.07x = 30,102.03 × 15,863.33
  4. Step 4: Simplify right side
    21,842.07x = 477,518,435.56
  5. Step 5: Solve for x
    x = 477,518,435.56/21,842.07
  6. Step 6: Final answer
    x = 21,862.33

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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.