Home / 14,028.48-21,042.72-3,641.76

Finding the Fourth Proportional to 14,028.48, 21,042.72 and 3,641.76

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Solution

The fourth proportional to 14,028.48, 21,042.72 and 3,641.76 is: 5,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.48 : 21,042.72 = 3,641.76 : x
  2. Step 2: Convert to fraction form
    14,028.48/21,042.72 = 3,641.76/x
  3. Step 3: Cross multiply
    14,028.48x = 21,042.72 × 3,641.76
  4. Step 4: Simplify right side
    14,028.48x = 76,632,535.99
  5. Step 5: Solve for x
    x = 76,632,535.99/14,028.48
  6. Step 6: Final answer
    x = 5,462.64

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Similar ratio
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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.