Home / 18,877.88-28,322.99-5,730.26

Finding the Fourth Proportional to 18,877.88, 28,322.99 and 5,730.26

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Solution

The fourth proportional to 18,877.88, 28,322.99 and 5,730.26 is: 8,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.88 : 28,322.99 = 5,730.26 : x
  2. Step 2: Convert to fraction form
    18,877.88/28,322.99 = 5,730.26/x
  3. Step 3: Cross multiply
    18,877.88x = 28,322.99 × 5,730.26
  4. Step 4: Simplify right side
    18,877.88x = 162,297,926.41
  5. Step 5: Solve for x
    x = 162,297,926.41/18,877.88
  6. Step 6: Final answer
    x = 8,597.26

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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.