Home / 18,923.52-28,389.44-5,776.88

Finding the Fourth Proportional to 18,923.52, 28,389.44 and 5,776.88

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Solution

The fourth proportional to 18,923.52, 28,389.44 and 5,776.88 is: 8,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.52 : 28,389.44 = 5,776.88 : x
  2. Step 2: Convert to fraction form
    18,923.52/28,389.44 = 5,776.88/x
  3. Step 3: Cross multiply
    18,923.52x = 28,389.44 × 5,776.88
  4. Step 4: Simplify right side
    18,923.52x = 164,002,388.15
  5. Step 5: Solve for x
    x = 164,002,388.15/18,923.52
  6. Step 6: Final answer
    x = 8,666.59

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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.