Home / 28,063.08-42,086.20-23,120.44

Finding the Fourth Proportional to 28,063.08, 42,086.20 and 23,120.44

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Solution

The fourth proportional to 28,063.08, 42,086.20 and 23,120.44 is: 34,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.08 : 42,086.20 = 23,120.44 : x
  2. Step 2: Convert to fraction form
    28,063.08/42,086.20 = 23,120.44/x
  3. Step 3: Cross multiply
    28,063.08x = 42,086.20 × 23,120.44
  4. Step 4: Simplify right side
    28,063.08x = 973,051,461.93
  5. Step 5: Solve for x
    x = 973,051,461.93/28,063.08
  6. Step 6: Final answer
    x = 34,673.72

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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.