Home / 18,027.20-27,012.93-14,069.07

Finding the Fourth Proportional to 18,027.20, 27,012.93 and 14,069.07

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Solution

The fourth proportional to 18,027.20, 27,012.93 and 14,069.07 is: 21,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.20 : 27,012.93 = 14,069.07 : x
  2. Step 2: Convert to fraction form
    18,027.20/27,012.93 = 14,069.07/x
  3. Step 3: Cross multiply
    18,027.20x = 27,012.93 × 14,069.07
  4. Step 4: Simplify right side
    18,027.20x = 380,046,803.08
  5. Step 5: Solve for x
    x = 380,046,803.08/18,027.20
  6. Step 6: Final answer
    x = 21,081.85

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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.