Home / 47,828.20-71,652.24-28,048

Finding the Fourth Proportional to 47,828.20, 71,652.24 and 28,048

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Solution

The fourth proportional to 47,828.20, 71,652.24 and 28,048 is: 42,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.20 : 71,652.24 = 28,048 : x
  2. Step 2: Convert to fraction form
    47,828.20/71,652.24 = 28,048/x
  3. Step 3: Cross multiply
    47,828.20x = 71,652.24 × 28,048
  4. Step 4: Simplify right side
    47,828.20x = 2,009,702,027.52
  5. Step 5: Solve for x
    x = 2,009,702,027.52/47,828.20
  6. Step 6: Final answer
    x = 42,019.19

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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.