Home / 23,191.98-31,999.50-15,652.26

Finding the Fourth Proportional to 23,191.98, 31,999.50 and 15,652.26

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Solution

The fourth proportional to 23,191.98, 31,999.50 and 15,652.26 is: 21,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.98 : 31,999.50 = 15,652.26 : x
  2. Step 2: Convert to fraction form
    23,191.98/31,999.50 = 15,652.26/x
  3. Step 3: Cross multiply
    23,191.98x = 31,999.50 × 15,652.26
  4. Step 4: Simplify right side
    23,191.98x = 500,864,493.87
  5. Step 5: Solve for x
    x = 500,864,493.87/23,191.98
  6. Step 6: Final answer
    x = 21,596.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.