Home / 21,907.52-32,880.80-10,227.36

Finding the Fourth Proportional to 21,907.52, 32,880.80 and 10,227.36

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Solution

The fourth proportional to 21,907.52, 32,880.80 and 10,227.36 is: 15,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.52 : 32,880.80 = 10,227.36 : x
  2. Step 2: Convert to fraction form
    21,907.52/32,880.80 = 10,227.36/x
  3. Step 3: Cross multiply
    21,907.52x = 32,880.80 × 10,227.36
  4. Step 4: Simplify right side
    21,907.52x = 336,283,778.69
  5. Step 5: Solve for x
    x = 336,283,778.69/21,907.52
  6. Step 6: Final answer
    x = 15,350.15

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1.5x scale

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.