Home / 22,808.42-31,450.95-19,798.46

Finding the Fourth Proportional to 22,808.42, 31,450.95 and 19,798.46

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Solution

The fourth proportional to 22,808.42, 31,450.95 and 19,798.46 is: 27,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.42 : 31,450.95 = 19,798.46 : x
  2. Step 2: Convert to fraction form
    22,808.42/31,450.95 = 19,798.46/x
  3. Step 3: Cross multiply
    22,808.42x = 31,450.95 × 19,798.46
  4. Step 4: Simplify right side
    22,808.42x = 622,680,375.54
  5. Step 5: Solve for x
    x = 622,680,375.54/22,808.42
  6. Step 6: Final answer
    x = 27,300.46

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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.