Home / 36,300.25-54,399.30-28,871.74

Finding the Fourth Proportional to 36,300.25, 54,399.30 and 28,871.74

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Solution

The fourth proportional to 36,300.25, 54,399.30 and 28,871.74 is: 43,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,300.25 : 54,399.30 = 28,871.74 : x
  2. Step 2: Convert to fraction form
    36,300.25/54,399.30 = 28,871.74/x
  3. Step 3: Cross multiply
    36,300.25x = 54,399.30 × 28,871.74
  4. Step 4: Simplify right side
    36,300.25x = 1,570,602,445.78
  5. Step 5: Solve for x
    x = 1,570,602,445.78/36,300.25
  6. Step 6: Final answer
    x = 43,266.99

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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.