Home / 25,288.32-37,932.56-8,660.36

Finding the Fourth Proportional to 25,288.32, 37,932.56 and 8,660.36

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Solution

The fourth proportional to 25,288.32, 37,932.56 and 8,660.36 is: 12,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.32 : 37,932.56 = 8,660.36 : x
  2. Step 2: Convert to fraction form
    25,288.32/37,932.56 = 8,660.36/x
  3. Step 3: Cross multiply
    25,288.32x = 37,932.56 × 8,660.36
  4. Step 4: Simplify right side
    25,288.32x = 328,509,625.32
  5. Step 5: Solve for x
    x = 328,509,625.32/25,288.32
  6. Step 6: Final answer
    x = 12,990.57

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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.