Home / 18,616.50-27,924.53-15,322.64

Finding the Fourth Proportional to 18,616.50, 27,924.53 and 15,322.64

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Solution

The fourth proportional to 18,616.50, 27,924.53 and 15,322.64 is: 22,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.50 : 27,924.53 = 15,322.64 : x
  2. Step 2: Convert to fraction form
    18,616.50/27,924.53 = 15,322.64/x
  3. Step 3: Cross multiply
    18,616.50x = 27,924.53 × 15,322.64
  4. Step 4: Simplify right side
    18,616.50x = 427,877,304.12
  5. Step 5: Solve for x
    x = 427,877,304.12/18,616.50
  6. Step 6: Final answer
    x = 22,983.77

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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.