Home / 27,133.98-37,441.60-15,805.32

Finding the Fourth Proportional to 27,133.98, 37,441.60 and 15,805.32

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Solution

The fourth proportional to 27,133.98, 37,441.60 and 15,805.32 is: 21,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.98 : 37,441.60 = 15,805.32 : x
  2. Step 2: Convert to fraction form
    27,133.98/37,441.60 = 15,805.32/x
  3. Step 3: Cross multiply
    27,133.98x = 37,441.60 × 15,805.32
  4. Step 4: Simplify right side
    27,133.98x = 591,776,469.31
  5. Step 5: Solve for x
    x = 591,776,469.31/27,133.98
  6. Step 6: Final answer
    x = 21,809.42

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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.