Home / 25,628.68-38,448.48-8,099.92

Finding the Fourth Proportional to 25,628.68, 38,448.48 and 8,099.92

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Solution

The fourth proportional to 25,628.68, 38,448.48 and 8,099.92 is: 12,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.68 : 38,448.48 = 8,099.92 : x
  2. Step 2: Convert to fraction form
    25,628.68/38,448.48 = 8,099.92/x
  3. Step 3: Cross multiply
    25,628.68x = 38,448.48 × 8,099.92
  4. Step 4: Simplify right side
    25,628.68x = 311,429,612.12
  5. Step 5: Solve for x
    x = 311,429,612.12/25,628.68
  6. Step 6: Final answer
    x = 12,151.61

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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.