Home / 20,705.53-31,010.98-16,253.06

Finding the Fourth Proportional to 20,705.53, 31,010.98 and 16,253.06

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Solution

The fourth proportional to 20,705.53, 31,010.98 and 16,253.06 is: 24,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705.53 : 31,010.98 = 16,253.06 : x
  2. Step 2: Convert to fraction form
    20,705.53/31,010.98 = 16,253.06/x
  3. Step 3: Cross multiply
    20,705.53x = 31,010.98 × 16,253.06
  4. Step 4: Simplify right side
    20,705.53x = 504,023,318.60
  5. Step 5: Solve for x
    x = 504,023,318.60/20,705.53
  6. Step 6: Final answer
    x = 24,342.45

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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.