Home / 36,385.20-54,576.72-28,116.72

Finding the Fourth Proportional to 36,385.20, 54,576.72 and 28,116.72

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Solution

The fourth proportional to 36,385.20, 54,576.72 and 28,116.72 is: 42,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.20 : 54,576.72 = 28,116.72 : x
  2. Step 2: Convert to fraction form
    36,385.20/54,576.72 = 28,116.72/x
  3. Step 3: Cross multiply
    36,385.20x = 54,576.72 × 28,116.72
  4. Step 4: Simplify right side
    36,385.20x = 1,534,518,354.76
  5. Step 5: Solve for x
    x = 1,534,518,354.76/36,385.20
  6. Step 6: Final answer
    x = 42,174.25

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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.