Home / 22,064.96-30,424.92-20,665.28

Finding the Fourth Proportional to 22,064.96, 30,424.92 and 20,665.28

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Solution

The fourth proportional to 22,064.96, 30,424.92 and 20,665.28 is: 28,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.96 : 30,424.92 = 20,665.28 : x
  2. Step 2: Convert to fraction form
    22,064.96/30,424.92 = 20,665.28/x
  3. Step 3: Cross multiply
    22,064.96x = 30,424.92 × 20,665.28
  4. Step 4: Simplify right side
    22,064.96x = 628,739,338.65
  5. Step 5: Solve for x
    x = 628,739,338.65/22,064.96
  6. Step 6: Final answer
    x = 28,494.93

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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.