Home / 25,816.06-38,720.44-8,283.61

Finding the Fourth Proportional to 25,816.06, 38,720.44 and 8,283.61

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Solution

The fourth proportional to 25,816.06, 38,720.44 and 8,283.61 is: 12,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.06 : 38,720.44 = 8,283.61 : x
  2. Step 2: Convert to fraction form
    25,816.06/38,720.44 = 8,283.61/x
  3. Step 3: Cross multiply
    25,816.06x = 38,720.44 × 8,283.61
  4. Step 4: Simplify right side
    25,816.06x = 320,745,023.99
  5. Step 5: Solve for x
    x = 320,745,023.99/25,816.06
  6. Step 6: Final answer
    x = 12,424.24

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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.