Home / 28,300.20-42,469.73-9,832.20

Finding the Fourth Proportional to 28,300.20, 42,469.73 and 9,832.20

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Solution

The fourth proportional to 28,300.20, 42,469.73 and 9,832.20 is: 14,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.20 : 42,469.73 = 9,832.20 : x
  2. Step 2: Convert to fraction form
    28,300.20/42,469.73 = 9,832.20/x
  3. Step 3: Cross multiply
    28,300.20x = 42,469.73 × 9,832.20
  4. Step 4: Simplify right side
    28,300.20x = 417,570,879.31
  5. Step 5: Solve for x
    x = 417,570,879.31/28,300.20
  6. Step 6: Final answer
    x = 14,755.05

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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.