Home / 28,722.60-43,116.30-22,177.80

Finding the Fourth Proportional to 28,722.60, 43,116.30 and 22,177.80

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Solution

The fourth proportional to 28,722.60, 43,116.30 and 22,177.80 is: 33,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.60 : 43,116.30 = 22,177.80 : x
  2. Step 2: Convert to fraction form
    28,722.60/43,116.30 = 22,177.80/x
  3. Step 3: Cross multiply
    28,722.60x = 43,116.30 × 22,177.80
  4. Step 4: Simplify right side
    28,722.60x = 956,224,678.14
  5. Step 5: Solve for x
    x = 956,224,678.14/28,722.60
  6. Step 6: Final answer
    x = 33,291.72

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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.