Home / 22,290.05-30,770.07-15,601.94

Finding the Fourth Proportional to 22,290.05, 30,770.07 and 15,601.94

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Solution

The fourth proportional to 22,290.05, 30,770.07 and 15,601.94 is: 21,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.05 : 30,770.07 = 15,601.94 : x
  2. Step 2: Convert to fraction form
    22,290.05/30,770.07 = 15,601.94/x
  3. Step 3: Cross multiply
    22,290.05x = 30,770.07 × 15,601.94
  4. Step 4: Simplify right side
    22,290.05x = 480,072,554.08
  5. Step 5: Solve for x
    x = 480,072,554.08/22,290.05
  6. Step 6: Final answer
    x = 21,537.53

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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.