Home / 20,679.34-28,524.69-18,033.10

Finding the Fourth Proportional to 20,679.34, 28,524.69 and 18,033.10

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Solution

The fourth proportional to 20,679.34, 28,524.69 and 18,033.10 is: 24,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679.34 : 28,524.69 = 18,033.10 : x
  2. Step 2: Convert to fraction form
    20,679.34/28,524.69 = 18,033.10/x
  3. Step 3: Cross multiply
    20,679.34x = 28,524.69 × 18,033.10
  4. Step 4: Simplify right side
    20,679.34x = 514,388,587.24
  5. Step 5: Solve for x
    x = 514,388,587.24/20,679.34
  6. Step 6: Final answer
    x = 24,874.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.