Home / 36,438.35-54,657.53-28,130.49

Finding the Fourth Proportional to 36,438.35, 54,657.53 and 28,130.49

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Solution

The fourth proportional to 36,438.35, 54,657.53 and 28,130.49 is: 42,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.35 : 54,657.53 = 28,130.49 : x
  2. Step 2: Convert to fraction form
    36,438.35/54,657.53 = 28,130.49/x
  3. Step 3: Cross multiply
    36,438.35x = 54,657.53 × 28,130.49
  4. Step 4: Simplify right side
    36,438.35x = 1,537,543,101.09
  5. Step 5: Solve for x
    x = 1,537,543,101.09/36,438.35
  6. Step 6: Final answer
    x = 42,195.74

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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.