Home / 25,647.30-38,465.55-10,856.70

Finding the Fourth Proportional to 25,647.30, 38,465.55 and 10,856.70

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Solution

The fourth proportional to 25,647.30, 38,465.55 and 10,856.70 is: 16,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.30 : 38,465.55 = 10,856.70 : x
  2. Step 2: Convert to fraction form
    25,647.30/38,465.55 = 10,856.70/x
  3. Step 3: Cross multiply
    25,647.30x = 38,465.55 × 10,856.70
  4. Step 4: Simplify right side
    25,647.30x = 417,608,936.69
  5. Step 5: Solve for x
    x = 417,608,936.69/25,647.30
  6. Step 6: Final answer
    x = 16,282.76

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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.