Home / 20,327.00-30,490.32-15,888.39

Finding the Fourth Proportional to 20,327.00, 30,490.32 and 15,888.39

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Solution

The fourth proportional to 20,327.00, 30,490.32 and 15,888.39 is: 23,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.00 : 30,490.32 = 15,888.39 : x
  2. Step 2: Convert to fraction form
    20,327.00/30,490.32 = 15,888.39/x
  3. Step 3: Cross multiply
    20,327.00x = 30,490.32 × 15,888.39
  4. Step 4: Simplify right side
    20,327.00x = 484,442,297.89
  5. Step 5: Solve for x
    x = 484,442,297.89/20,327.00
  6. Step 6: Final answer
    x = 23,832.46

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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.