Home / 19,933.20-27,487.44-13,216.50

Finding the Fourth Proportional to 19,933.20, 27,487.44 and 13,216.50

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Solution

The fourth proportional to 19,933.20, 27,487.44 and 13,216.50 is: 18,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.20 : 27,487.44 = 13,216.50 : x
  2. Step 2: Convert to fraction form
    19,933.20/27,487.44 = 13,216.50/x
  3. Step 3: Cross multiply
    19,933.20x = 27,487.44 × 13,216.50
  4. Step 4: Simplify right side
    19,933.20x = 363,287,750.76
  5. Step 5: Solve for x
    x = 363,287,750.76/19,933.20
  6. Step 6: Final answer
    x = 18,225.26

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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.