Home / 27,219.04-40,791.84-20,624.56

Finding the Fourth Proportional to 27,219.04, 40,791.84 and 20,624.56

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Solution

The fourth proportional to 27,219.04, 40,791.84 and 20,624.56 is: 30,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.04 : 40,791.84 = 20,624.56 : x
  2. Step 2: Convert to fraction form
    27,219.04/40,791.84 = 20,624.56/x
  3. Step 3: Cross multiply
    27,219.04x = 40,791.84 × 20,624.56
  4. Step 4: Simplify right side
    27,219.04x = 841,313,751.59
  5. Step 5: Solve for x
    x = 841,313,751.59/27,219.04
  6. Step 6: Final answer
    x = 30,909.02

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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.