Home / 25,906.81-38,860.21-9,265.84

Finding the Fourth Proportional to 25,906.81, 38,860.21 and 9,265.84

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Solution

The fourth proportional to 25,906.81, 38,860.21 and 9,265.84 is: 13,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.81 : 38,860.21 = 9,265.84 : x
  2. Step 2: Convert to fraction form
    25,906.81/38,860.21 = 9,265.84/x
  3. Step 3: Cross multiply
    25,906.81x = 38,860.21 × 9,265.84
  4. Step 4: Simplify right side
    25,906.81x = 360,072,488.23
  5. Step 5: Solve for x
    x = 360,072,488.23/25,906.81
  6. Step 6: Final answer
    x = 13,898.76

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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.