Home / 22,077.60-33,116.40-7,288.80

Finding the Fourth Proportional to 22,077.60, 33,116.40 and 7,288.80

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Solution

The fourth proportional to 22,077.60, 33,116.40 and 7,288.80 is: 10,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.60 : 33,116.40 = 7,288.80 : x
  2. Step 2: Convert to fraction form
    22,077.60/33,116.40 = 7,288.80/x
  3. Step 3: Cross multiply
    22,077.60x = 33,116.40 × 7,288.80
  4. Step 4: Simplify right side
    22,077.60x = 241,378,816.32
  5. Step 5: Solve for x
    x = 241,378,816.32/22,077.60
  6. Step 6: Final answer
    x = 10,933.20

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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.