Home / 18,388.08-27,528.93-16,488.90

Finding the Fourth Proportional to 18,388.08, 27,528.93 and 16,488.90

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Solution

The fourth proportional to 18,388.08, 27,528.93 and 16,488.90 is: 24,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.08 : 27,528.93 = 16,488.90 : x
  2. Step 2: Convert to fraction form
    18,388.08/27,528.93 = 16,488.90/x
  3. Step 3: Cross multiply
    18,388.08x = 27,528.93 × 16,488.90
  4. Step 4: Simplify right side
    18,388.08x = 453,921,773.88
  5. Step 5: Solve for x
    x = 453,921,773.88/18,388.08
  6. Step 6: Final answer
    x = 24,685.65

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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.