Home / 20,995.14-31,395.44-16,261.50

Finding the Fourth Proportional to 20,995.14, 31,395.44 and 16,261.50

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Solution

The fourth proportional to 20,995.14, 31,395.44 and 16,261.50 is: 24,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995.14 : 31,395.44 = 16,261.50 : x
  2. Step 2: Convert to fraction form
    20,995.14/31,395.44 = 16,261.50/x
  3. Step 3: Cross multiply
    20,995.14x = 31,395.44 × 16,261.50
  4. Step 4: Simplify right side
    20,995.14x = 510,536,947.56
  5. Step 5: Solve for x
    x = 510,536,947.56/20,995.14
  6. Step 6: Final answer
    x = 24,316.91

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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.