Home / 20,825.56-31,305.99-16,710.58

Finding the Fourth Proportional to 20,825.56, 31,305.99 and 16,710.58

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Solution

The fourth proportional to 20,825.56, 31,305.99 and 16,710.58 is: 25,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.56 : 31,305.99 = 16,710.58 : x
  2. Step 2: Convert to fraction form
    20,825.56/31,305.99 = 16,710.58/x
  3. Step 3: Cross multiply
    20,825.56x = 31,305.99 × 16,710.58
  4. Step 4: Simplify right side
    20,825.56x = 523,141,264.12
  5. Step 5: Solve for x
    x = 523,141,264.12/20,825.56
  6. Step 6: Final answer
    x = 25,120.16

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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.