Home / 21,917.16-32,880.60-10,224

Finding the Fourth Proportional to 21,917.16, 32,880.60 and 10,224

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Solution

The fourth proportional to 21,917.16, 32,880.60 and 10,224 is: 15,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.16 : 32,880.60 = 10,224 : x
  2. Step 2: Convert to fraction form
    21,917.16/32,880.60 = 10,224/x
  3. Step 3: Cross multiply
    21,917.16x = 32,880.60 × 10,224
  4. Step 4: Simplify right side
    21,917.16x = 336,171,254.40
  5. Step 5: Solve for x
    x = 336,171,254.40/21,917.16
  6. Step 6: Final answer
    x = 15,338.27

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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.