Home / 22,879.06-31,555.26-15,322.96

Finding the Fourth Proportional to 22,879.06, 31,555.26 and 15,322.96

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Solution

The fourth proportional to 22,879.06, 31,555.26 and 15,322.96 is: 21,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.06 : 31,555.26 = 15,322.96 : x
  2. Step 2: Convert to fraction form
    22,879.06/31,555.26 = 15,322.96/x
  3. Step 3: Cross multiply
    22,879.06x = 31,555.26 × 15,322.96
  4. Step 4: Simplify right side
    22,879.06x = 483,519,986.77
  5. Step 5: Solve for x
    x = 483,519,986.77/22,879.06
  6. Step 6: Final answer
    x = 21,133.73

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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.