Home / 25,516.49-38,270.41-7,742.86

Finding the Fourth Proportional to 25,516.49, 38,270.41 and 7,742.86

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Solution

The fourth proportional to 25,516.49, 38,270.41 and 7,742.86 is: 11,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.49 : 38,270.41 = 7,742.86 : x
  2. Step 2: Convert to fraction form
    25,516.49/38,270.41 = 7,742.86/x
  3. Step 3: Cross multiply
    25,516.49x = 38,270.41 × 7,742.86
  4. Step 4: Simplify right side
    25,516.49x = 296,322,311.74
  5. Step 5: Solve for x
    x = 296,322,311.74/25,516.49
  6. Step 6: Final answer
    x = 11,612.98

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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.