Home / 20,844.06-31,238.97-15,895.50

Finding the Fourth Proportional to 20,844.06, 31,238.97 and 15,895.50

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Solution

The fourth proportional to 20,844.06, 31,238.97 and 15,895.50 is: 23,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.06 : 31,238.97 = 15,895.50 : x
  2. Step 2: Convert to fraction form
    20,844.06/31,238.97 = 15,895.50/x
  3. Step 3: Cross multiply
    20,844.06x = 31,238.97 × 15,895.50
  4. Step 4: Simplify right side
    20,844.06x = 496,559,047.64
  5. Step 5: Solve for x
    x = 496,559,047.64/20,844.06
  6. Step 6: Final answer
    x = 23,822.57

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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.