Home / 25,553.52-38,336.04-7,785.76

Finding the Fourth Proportional to 25,553.52, 38,336.04 and 7,785.76

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Solution

The fourth proportional to 25,553.52, 38,336.04 and 7,785.76 is: 11,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.52 : 38,336.04 = 7,785.76 : x
  2. Step 2: Convert to fraction form
    25,553.52/38,336.04 = 7,785.76/x
  3. Step 3: Cross multiply
    25,553.52x = 38,336.04 × 7,785.76
  4. Step 4: Simplify right side
    25,553.52x = 298,475,206.79
  5. Step 5: Solve for x
    x = 298,475,206.79/25,553.52
  6. Step 6: Final answer
    x = 11,680.39

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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.