Home / 25,908.90-38,863.36-7,188.95

Finding the Fourth Proportional to 25,908.90, 38,863.36 and 7,188.95

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Solution

The fourth proportional to 25,908.90, 38,863.36 and 7,188.95 is: 10,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.90 : 38,863.36 = 7,188.95 : x
  2. Step 2: Convert to fraction form
    25,908.90/38,863.36 = 7,188.95/x
  3. Step 3: Cross multiply
    25,908.90x = 38,863.36 × 7,188.95
  4. Step 4: Simplify right side
    25,908.90x = 279,386,858.02
  5. Step 5: Solve for x
    x = 279,386,858.02/25,908.90
  6. Step 6: Final answer
    x = 10,783.43

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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.