Home / 23,907.20-32,991.78-13,296.80

Finding the Fourth Proportional to 23,907.20, 32,991.78 and 13,296.80

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Solution

The fourth proportional to 23,907.20, 32,991.78 and 13,296.80 is: 18,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,907.20 : 32,991.78 = 13,296.80 : x
  2. Step 2: Convert to fraction form
    23,907.20/32,991.78 = 13,296.80/x
  3. Step 3: Cross multiply
    23,907.20x = 32,991.78 × 13,296.80
  4. Step 4: Simplify right side
    23,907.20x = 438,685,100.30
  5. Step 5: Solve for x
    x = 438,685,100.30/23,907.20
  6. Step 6: Final answer
    x = 18,349.50

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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.