Home / 28,065.08-42,089.20-23,122.44

Finding the Fourth Proportional to 28,065.08, 42,089.20 and 23,122.44

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Solution

The fourth proportional to 28,065.08, 42,089.20 and 23,122.44 is: 34,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.08 : 42,089.20 = 23,122.44 : x
  2. Step 2: Convert to fraction form
    28,065.08/42,089.20 = 23,122.44/x
  3. Step 3: Cross multiply
    28,065.08x = 42,089.20 × 23,122.44
  4. Step 4: Simplify right side
    28,065.08x = 973,205,001.65
  5. Step 5: Solve for x
    x = 973,205,001.65/28,065.08
  6. Step 6: Final answer
    x = 34,676.72

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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.