Home / 28,925.10-43,420.05-22,380.30

Finding the Fourth Proportional to 28,925.10, 43,420.05 and 22,380.30

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Solution

The fourth proportional to 28,925.10, 43,420.05 and 22,380.30 is: 33,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.10 : 43,420.05 = 22,380.30 : x
  2. Step 2: Convert to fraction form
    28,925.10/43,420.05 = 22,380.30/x
  3. Step 3: Cross multiply
    28,925.10x = 43,420.05 × 22,380.30
  4. Step 4: Simplify right side
    28,925.10x = 971,753,745.02
  5. Step 5: Solve for x
    x = 971,753,745.02/28,925.10
  6. Step 6: Final answer
    x = 33,595.52

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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.