Home / 36,646.76-54,899.10-28,817

Finding the Fourth Proportional to 36,646.76, 54,899.10 and 28,817

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Solution

The fourth proportional to 36,646.76, 54,899.10 and 28,817 is: 43,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.76 : 54,899.10 = 28,817 : x
  2. Step 2: Convert to fraction form
    36,646.76/54,899.10 = 28,817/x
  3. Step 3: Cross multiply
    36,646.76x = 54,899.10 × 28,817
  4. Step 4: Simplify right side
    36,646.76x = 1,582,027,364.70
  5. Step 5: Solve for x
    x = 1,582,027,364.70/36,646.76
  6. Step 6: Final answer
    x = 43,169.64

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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.