Home / 84,496.16-126,728.07-25,331.81

Finding the Fourth Proportional to 84,496.16, 126,728.07 and 25,331.81

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Solution

The fourth proportional to 84,496.16, 126,728.07 and 25,331.81 is: 37,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,496.16 : 126,728.07 = 25,331.81 : x
  2. Step 2: Convert to fraction form
    84,496.16/126,728.07 = 25,331.81/x
  3. Step 3: Cross multiply
    84,496.16x = 126,728.07 × 25,331.81
  4. Step 4: Simplify right side
    84,496.16x = 3,210,251,390.91
  5. Step 5: Solve for x
    x = 3,210,251,390.91/84,496.16
  6. Step 6: Final answer
    x = 37,992.87

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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.