Home / 28,198.38-38,931.70-17,603.58

Finding the Fourth Proportional to 28,198.38, 38,931.70 and 17,603.58

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Solution

The fourth proportional to 28,198.38, 38,931.70 and 17,603.58 is: 24,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.38 : 38,931.70 = 17,603.58 : x
  2. Step 2: Convert to fraction form
    28,198.38/38,931.70 = 17,603.58/x
  3. Step 3: Cross multiply
    28,198.38x = 38,931.70 × 17,603.58
  4. Step 4: Simplify right side
    28,198.38x = 685,337,295.49
  5. Step 5: Solve for x
    x = 685,337,295.49/28,198.38
  6. Step 6: Final answer
    x = 24,304.14

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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.