Home / 25,816.09-38,727.74-8,291.29

Finding the Fourth Proportional to 25,816.09, 38,727.74 and 8,291.29

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Solution

The fourth proportional to 25,816.09, 38,727.74 and 8,291.29 is: 12,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.09 : 38,727.74 = 8,291.29 : x
  2. Step 2: Convert to fraction form
    25,816.09/38,727.74 = 8,291.29/x
  3. Step 3: Cross multiply
    25,816.09x = 38,727.74 × 8,291.29
  4. Step 4: Simplify right side
    25,816.09x = 321,102,923.38
  5. Step 5: Solve for x
    x = 321,102,923.38/25,816.09
  6. Step 6: Final answer
    x = 12,438.09

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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.