Home / 25,860.40-38,863.26-15,331.92

Finding the Fourth Proportional to 25,860.40, 38,863.26 and 15,331.92

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Solution

The fourth proportional to 25,860.40, 38,863.26 and 15,331.92 is: 23,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.40 : 38,863.26 = 15,331.92 : x
  2. Step 2: Convert to fraction form
    25,860.40/38,863.26 = 15,331.92/x
  3. Step 3: Cross multiply
    25,860.40x = 38,863.26 × 15,331.92
  4. Step 4: Simplify right side
    25,860.40x = 595,848,393.26
  5. Step 5: Solve for x
    x = 595,848,393.26/25,860.40
  6. Step 6: Final answer
    x = 23,040.96

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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.