Home / 25,639.02-38,458.30-8,108.86

Finding the Fourth Proportional to 25,639.02, 38,458.30 and 8,108.86

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Solution

The fourth proportional to 25,639.02, 38,458.30 and 8,108.86 is: 12,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.02 : 38,458.30 = 8,108.86 : x
  2. Step 2: Convert to fraction form
    25,639.02/38,458.30 = 8,108.86/x
  3. Step 3: Cross multiply
    25,639.02x = 38,458.30 × 8,108.86
  4. Step 4: Simplify right side
    25,639.02x = 311,852,970.54
  5. Step 5: Solve for x
    x = 311,852,970.54/25,639.02
  6. Step 6: Final answer
    x = 12,163.22

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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.