Home / 22,879.46-31,555.98-15,323.38

Finding the Fourth Proportional to 22,879.46, 31,555.98 and 15,323.38

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Solution

The fourth proportional to 22,879.46, 31,555.98 and 15,323.38 is: 21,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.46 : 31,555.98 = 15,323.38 : x
  2. Step 2: Convert to fraction form
    22,879.46/31,555.98 = 15,323.38/x
  3. Step 3: Cross multiply
    22,879.46x = 31,555.98 × 15,323.38
  4. Step 4: Simplify right side
    22,879.46x = 483,544,193.92
  5. Step 5: Solve for x
    x = 483,544,193.92/22,879.46
  6. Step 6: Final answer
    x = 21,134.42

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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.