Home / 25,318.32-37,966.55-8,679.98

Finding the Fourth Proportional to 25,318.32, 37,966.55 and 8,679.98

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Solution

The fourth proportional to 25,318.32, 37,966.55 and 8,679.98 is: 13,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.32 : 37,966.55 = 8,679.98 : x
  2. Step 2: Convert to fraction form
    25,318.32/37,966.55 = 8,679.98/x
  3. Step 3: Cross multiply
    25,318.32x = 37,966.55 × 8,679.98
  4. Step 4: Simplify right side
    25,318.32x = 329,548,661.44
  5. Step 5: Solve for x
    x = 329,548,661.44/25,318.32
  6. Step 6: Final answer
    x = 13,016.21

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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.