Home / 20,442.42-30,675.44-8,595.25

Finding the Fourth Proportional to 20,442.42, 30,675.44 and 8,595.25

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Solution

The fourth proportional to 20,442.42, 30,675.44 and 8,595.25 is: 12,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.42 : 30,675.44 = 8,595.25 : x
  2. Step 2: Convert to fraction form
    20,442.42/30,675.44 = 8,595.25/x
  3. Step 3: Cross multiply
    20,442.42x = 30,675.44 × 8,595.25
  4. Step 4: Simplify right side
    20,442.42x = 263,663,020.46
  5. Step 5: Solve for x
    x = 263,663,020.46/20,442.42
  6. Step 6: Final answer
    x = 12,897.84

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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.