Home / 28,798.85-43,120.38-14,918.69

Finding the Fourth Proportional to 28,798.85, 43,120.38 and 14,918.69

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Solution

The fourth proportional to 28,798.85, 43,120.38 and 14,918.69 is: 22,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.85 : 43,120.38 = 14,918.69 : x
  2. Step 2: Convert to fraction form
    28,798.85/43,120.38 = 14,918.69/x
  3. Step 3: Cross multiply
    28,798.85x = 43,120.38 × 14,918.69
  4. Step 4: Simplify right side
    28,798.85x = 643,299,581.90
  5. Step 5: Solve for x
    x = 643,299,581.90/28,798.85
  6. Step 6: Final answer
    x = 22,337.68

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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.