Home / 28,416.20-42,624.30-27,930.20

Finding the Fourth Proportional to 28,416.20, 42,624.30 and 27,930.20

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Solution

The fourth proportional to 28,416.20, 42,624.30 and 27,930.20 is: 41,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.20 : 42,624.30 = 27,930.20 : x
  2. Step 2: Convert to fraction form
    28,416.20/42,624.30 = 27,930.20/x
  3. Step 3: Cross multiply
    28,416.20x = 42,624.30 × 27,930.20
  4. Step 4: Simplify right side
    28,416.20x = 1,190,505,223.86
  5. Step 5: Solve for x
    x = 1,190,505,223.86/28,416.20
  6. Step 6: Final answer
    x = 41,895.30

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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.