Home / 21,719.66-32,528.46-10,591.50

Finding the Fourth Proportional to 21,719.66, 32,528.46 and 10,591.50

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Solution

The fourth proportional to 21,719.66, 32,528.46 and 10,591.50 is: 15,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.66 : 32,528.46 = 10,591.50 : x
  2. Step 2: Convert to fraction form
    21,719.66/32,528.46 = 10,591.50/x
  3. Step 3: Cross multiply
    21,719.66x = 32,528.46 × 10,591.50
  4. Step 4: Simplify right side
    21,719.66x = 344,525,184.09
  5. Step 5: Solve for x
    x = 344,525,184.09/21,719.66
  6. Step 6: Final answer
    x = 15,862.37

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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.