Home / 25,431.92-38,102.13-23,931.35

Finding the Fourth Proportional to 25,431.92, 38,102.13 and 23,931.35

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Solution

The fourth proportional to 25,431.92, 38,102.13 and 23,931.35 is: 35,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.92 : 38,102.13 = 23,931.35 : x
  2. Step 2: Convert to fraction form
    25,431.92/38,102.13 = 23,931.35/x
  3. Step 3: Cross multiply
    25,431.92x = 38,102.13 × 23,931.35
  4. Step 4: Simplify right side
    25,431.92x = 911,835,361.15
  5. Step 5: Solve for x
    x = 911,835,361.15/25,431.92
  6. Step 6: Final answer
    x = 35,853.97

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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.