Home / 27,558.44-38,028.04-15,622.80

Finding the Fourth Proportional to 27,558.44, 38,028.04 and 15,622.80

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Solution

The fourth proportional to 27,558.44, 38,028.04 and 15,622.80 is: 21,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.44 : 38,028.04 = 15,622.80 : x
  2. Step 2: Convert to fraction form
    27,558.44/38,028.04 = 15,622.80/x
  3. Step 3: Cross multiply
    27,558.44x = 38,028.04 × 15,622.80
  4. Step 4: Simplify right side
    27,558.44x = 594,104,463.31
  5. Step 5: Solve for x
    x = 594,104,463.31/27,558.44
  6. Step 6: Final answer
    x = 21,557.99

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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.