Home / 25,856.27-38,786.63-7,136.30

Finding the Fourth Proportional to 25,856.27, 38,786.63 and 7,136.30

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Solution

The fourth proportional to 25,856.27, 38,786.63 and 7,136.30 is: 10,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.27 : 38,786.63 = 7,136.30 : x
  2. Step 2: Convert to fraction form
    25,856.27/38,786.63 = 7,136.30/x
  3. Step 3: Cross multiply
    25,856.27x = 38,786.63 × 7,136.30
  4. Step 4: Simplify right side
    25,856.27x = 276,793,142.48
  5. Step 5: Solve for x
    x = 276,793,142.48/25,856.27
  6. Step 6: Final answer
    x = 10,705.07

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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.