Home / 25,856.50-38,775.18-9,212.12

Finding the Fourth Proportional to 25,856.50, 38,775.18 and 9,212.12

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Solution

The fourth proportional to 25,856.50, 38,775.18 and 9,212.12 is: 13,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.50 : 38,775.18 = 9,212.12 : x
  2. Step 2: Convert to fraction form
    25,856.50/38,775.18 = 9,212.12/x
  3. Step 3: Cross multiply
    25,856.50x = 38,775.18 × 9,212.12
  4. Step 4: Simplify right side
    25,856.50x = 357,201,611.18
  5. Step 5: Solve for x
    x = 357,201,611.18/25,856.50
  6. Step 6: Final answer
    x = 13,814.77

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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.