Home / 25,814.60-38,728.73-8,045.22

Finding the Fourth Proportional to 25,814.60, 38,728.73 and 8,045.22

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Solution

The fourth proportional to 25,814.60, 38,728.73 and 8,045.22 is: 12,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.60 : 38,728.73 = 8,045.22 : x
  2. Step 2: Convert to fraction form
    25,814.60/38,728.73 = 8,045.22/x
  3. Step 3: Cross multiply
    25,814.60x = 38,728.73 × 8,045.22
  4. Step 4: Simplify right side
    25,814.60x = 311,581,318.52
  5. Step 5: Solve for x
    x = 311,581,318.52/25,814.60
  6. Step 6: Final answer
    x = 12,069.97

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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.