Home / 22,742.58-34,137.14-18,781.22

Finding the Fourth Proportional to 22,742.58, 34,137.14 and 18,781.22

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Solution

The fourth proportional to 22,742.58, 34,137.14 and 18,781.22 is: 28,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.58 : 34,137.14 = 18,781.22 : x
  2. Step 2: Convert to fraction form
    22,742.58/34,137.14 = 18,781.22/x
  3. Step 3: Cross multiply
    22,742.58x = 34,137.14 × 18,781.22
  4. Step 4: Simplify right side
    22,742.58x = 641,137,136.51
  5. Step 5: Solve for x
    x = 641,137,136.51/22,742.58
  6. Step 6: Final answer
    x = 28,191.05

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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.