Home / 23,187.32-31,994.44-13,628.08

Finding the Fourth Proportional to 23,187.32, 31,994.44 and 13,628.08

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Solution

The fourth proportional to 23,187.32, 31,994.44 and 13,628.08 is: 18,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.32 : 31,994.44 = 13,628.08 : x
  2. Step 2: Convert to fraction form
    23,187.32/31,994.44 = 13,628.08/x
  3. Step 3: Cross multiply
    23,187.32x = 31,994.44 × 13,628.08
  4. Step 4: Simplify right side
    23,187.32x = 436,022,787.88
  5. Step 5: Solve for x
    x = 436,022,787.88/23,187.32
  6. Step 6: Final answer
    x = 18,804.36

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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.