Home / 40,879.44-56,456.46-28,165.68

Finding the Fourth Proportional to 40,879.44, 56,456.46 and 28,165.68

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Solution

The fourth proportional to 40,879.44, 56,456.46 and 28,165.68 is: 38,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.44 : 56,456.46 = 28,165.68 : x
  2. Step 2: Convert to fraction form
    40,879.44/56,456.46 = 28,165.68/x
  3. Step 3: Cross multiply
    40,879.44x = 56,456.46 × 28,165.68
  4. Step 4: Simplify right side
    40,879.44x = 1,590,134,586.29
  5. Step 5: Solve for x
    x = 1,590,134,586.29/40,879.44
  6. Step 6: Final answer
    x = 38,898.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.