Home / 36,436.33-54,654.51-28,128.48

Finding the Fourth Proportional to 36,436.33, 54,654.51 and 28,128.48

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Solution

The fourth proportional to 36,436.33, 54,654.51 and 28,128.48 is: 42,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.33 : 54,654.51 = 28,128.48 : x
  2. Step 2: Convert to fraction form
    36,436.33/54,654.51 = 28,128.48/x
  3. Step 3: Cross multiply
    36,436.33x = 54,654.51 × 28,128.48
  4. Step 4: Simplify right side
    36,436.33x = 1,537,347,877.53
  5. Step 5: Solve for x
    x = 1,537,347,877.53/36,436.33
  6. Step 6: Final answer
    x = 42,192.72

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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.