Home / 25,811.55-38,712.70-6,836.31

Finding the Fourth Proportional to 25,811.55, 38,712.70 and 6,836.31

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Solution

The fourth proportional to 25,811.55, 38,712.70 and 6,836.31 is: 10,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.55 : 38,712.70 = 6,836.31 : x
  2. Step 2: Convert to fraction form
    25,811.55/38,712.70 = 6,836.31/x
  3. Step 3: Cross multiply
    25,811.55x = 38,712.70 × 6,836.31
  4. Step 4: Simplify right side
    25,811.55x = 264,652,018.14
  5. Step 5: Solve for x
    x = 264,652,018.14/25,811.55
  6. Step 6: Final answer
    x = 10,253.24

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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.