Home / 18,621.77-27,932.65-4,581.83

Finding the Fourth Proportional to 18,621.77, 27,932.65 and 4,581.83

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Solution

The fourth proportional to 18,621.77, 27,932.65 and 4,581.83 is: 6,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.77 : 27,932.65 = 4,581.83 : x
  2. Step 2: Convert to fraction form
    18,621.77/27,932.65 = 4,581.83/x
  3. Step 3: Cross multiply
    18,621.77x = 27,932.65 × 4,581.83
  4. Step 4: Simplify right side
    18,621.77x = 127,982,712.13
  5. Step 5: Solve for x
    x = 127,982,712.13/18,621.77
  6. Step 6: Final answer
    x = 6,872.75

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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.