Home / 28,164.20-42,246.30-27,726.80

Finding the Fourth Proportional to 28,164.20, 42,246.30 and 27,726.80

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Solution

The fourth proportional to 28,164.20, 42,246.30 and 27,726.80 is: 41,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.20 : 42,246.30 = 27,726.80 : x
  2. Step 2: Convert to fraction form
    28,164.20/42,246.30 = 27,726.80/x
  3. Step 3: Cross multiply
    28,164.20x = 42,246.30 × 27,726.80
  4. Step 4: Simplify right side
    28,164.20x = 1,171,354,710.84
  5. Step 5: Solve for x
    x = 1,171,354,710.84/28,164.20
  6. Step 6: Final answer
    x = 41,590.20

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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.