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Finding the Fourth Proportional to 25,906.60, 38,834.30 and 10,303.40

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Solution

The fourth proportional to 25,906.60, 38,834.30 and 10,303.40 is: 15,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.60 : 38,834.30 = 10,303.40 : x
  2. Step 2: Convert to fraction form
    25,906.60/38,834.30 = 10,303.40/x
  3. Step 3: Cross multiply
    25,906.60x = 38,834.30 × 10,303.40
  4. Step 4: Simplify right side
    25,906.60x = 400,125,326.62
  5. Step 5: Solve for x
    x = 400,125,326.62/25,906.60
  6. Step 6: Final answer
    x = 15,444.92

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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.