Home / 27,015.04-40,507.36-18,591.44

Finding the Fourth Proportional to 27,015.04, 40,507.36 and 18,591.44

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Solution

The fourth proportional to 27,015.04, 40,507.36 and 18,591.44 is: 27,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.04 : 40,507.36 = 18,591.44 : x
  2. Step 2: Convert to fraction form
    27,015.04/40,507.36 = 18,591.44/x
  3. Step 3: Cross multiply
    27,015.04x = 40,507.36 × 18,591.44
  4. Step 4: Simplify right side
    27,015.04x = 753,090,153.00
  5. Step 5: Solve for x
    x = 753,090,153.00/27,015.04
  6. Step 6: Final answer
    x = 27,876.70

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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.