Home / 28,023.06-42,025.37-10,249.68

Finding the Fourth Proportional to 28,023.06, 42,025.37 and 10,249.68

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Solution

The fourth proportional to 28,023.06, 42,025.37 and 10,249.68 is: 15,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.06 : 42,025.37 = 10,249.68 : x
  2. Step 2: Convert to fraction form
    28,023.06/42,025.37 = 10,249.68/x
  3. Step 3: Cross multiply
    28,023.06x = 42,025.37 × 10,249.68
  4. Step 4: Simplify right side
    28,023.06x = 430,746,543.13
  5. Step 5: Solve for x
    x = 430,746,543.13/28,023.06
  6. Step 6: Final answer
    x = 15,371.15

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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.