Home / 25,380.14-38,079.77-10,587.81

Finding the Fourth Proportional to 25,380.14, 38,079.77 and 10,587.81

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Solution

The fourth proportional to 25,380.14, 38,079.77 and 10,587.81 is: 15,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.14 : 38,079.77 = 10,587.81 : x
  2. Step 2: Convert to fraction form
    25,380.14/38,079.77 = 10,587.81/x
  3. Step 3: Cross multiply
    25,380.14x = 38,079.77 × 10,587.81
  4. Step 4: Simplify right side
    25,380.14x = 403,181,519.02
  5. Step 5: Solve for x
    x = 403,181,519.02/25,380.14
  6. Step 6: Final answer
    x = 15,885.71

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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.