Home / 25,336.20-38,006.46-6,618.72

Finding the Fourth Proportional to 25,336.20, 38,006.46 and 6,618.72

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Solution

The fourth proportional to 25,336.20, 38,006.46 and 6,618.72 is: 9,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.20 : 38,006.46 = 6,618.72 : x
  2. Step 2: Convert to fraction form
    25,336.20/38,006.46 = 6,618.72/x
  3. Step 3: Cross multiply
    25,336.20x = 38,006.46 × 6,618.72
  4. Step 4: Simplify right side
    25,336.20x = 251,554,116.93
  5. Step 5: Solve for x
    x = 251,554,116.93/25,336.20
  6. Step 6: Final answer
    x = 9,928.64

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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.