Home / 28,693.20-43,026.84-10,225.68

Finding the Fourth Proportional to 28,693.20, 43,026.84 and 10,225.68

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Solution

The fourth proportional to 28,693.20, 43,026.84 and 10,225.68 is: 15,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.20 : 43,026.84 = 10,225.68 : x
  2. Step 2: Convert to fraction form
    28,693.20/43,026.84 = 10,225.68/x
  3. Step 3: Cross multiply
    28,693.20x = 43,026.84 × 10,225.68
  4. Step 4: Simplify right side
    28,693.20x = 439,978,697.25
  5. Step 5: Solve for x
    x = 439,978,697.25/28,693.20
  6. Step 6: Final answer
    x = 15,333.90

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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.