Home / 21,894.24-32,878.26-21,722.01

Finding the Fourth Proportional to 21,894.24, 32,878.26 and 21,722.01

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Solution

The fourth proportional to 21,894.24, 32,878.26 and 21,722.01 is: 32,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.24 : 32,878.26 = 21,722.01 : x
  2. Step 2: Convert to fraction form
    21,894.24/32,878.26 = 21,722.01/x
  3. Step 3: Cross multiply
    21,894.24x = 32,878.26 × 21,722.01
  4. Step 4: Simplify right side
    21,894.24x = 714,181,892.50
  5. Step 5: Solve for x
    x = 714,181,892.50/21,894.24
  6. Step 6: Final answer
    x = 32,619.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.