Home / 22,020.42-33,030.64-15,475.83

Finding the Fourth Proportional to 22,020.42, 33,030.64 and 15,475.83

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Solution

The fourth proportional to 22,020.42, 33,030.64 and 15,475.83 is: 23,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.42 : 33,030.64 = 15,475.83 : x
  2. Step 2: Convert to fraction form
    22,020.42/33,030.64 = 15,475.83/x
  3. Step 3: Cross multiply
    22,020.42x = 33,030.64 × 15,475.83
  4. Step 4: Simplify right side
    22,020.42x = 511,176,377.86
  5. Step 5: Solve for x
    x = 511,176,377.86/22,020.42
  6. Step 6: Final answer
    x = 23,213.74

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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.