Home / 25,391.40-38,102.14-12,257.32

Finding the Fourth Proportional to 25,391.40, 38,102.14 and 12,257.32

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Solution

The fourth proportional to 25,391.40, 38,102.14 and 12,257.32 is: 18,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.40 : 38,102.14 = 12,257.32 : x
  2. Step 2: Convert to fraction form
    25,391.40/38,102.14 = 12,257.32/x
  3. Step 3: Cross multiply
    25,391.40x = 38,102.14 × 12,257.32
  4. Step 4: Simplify right side
    25,391.40x = 467,030,122.66
  5. Step 5: Solve for x
    x = 467,030,122.66/25,391.40
  6. Step 6: Final answer
    x = 18,393.24

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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.