Home / 36,436.70-54,655.07-28,128.85

Finding the Fourth Proportional to 36,436.70, 54,655.07 and 28,128.85

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Solution

The fourth proportional to 36,436.70, 54,655.07 and 28,128.85 is: 42,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.70 : 54,655.07 = 28,128.85 : x
  2. Step 2: Convert to fraction form
    36,436.70/54,655.07 = 28,128.85/x
  3. Step 3: Cross multiply
    36,436.70x = 54,655.07 × 28,128.85
  4. Step 4: Simplify right side
    36,436.70x = 1,537,383,988.49
  5. Step 5: Solve for x
    x = 1,537,383,988.49/36,436.70
  6. Step 6: Final answer
    x = 42,193.28

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1.5x scale

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.