Home / 27,288.12-37,662.20-15,801.36

Finding the Fourth Proportional to 27,288.12, 37,662.20 and 15,801.36

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Solution

The fourth proportional to 27,288.12, 37,662.20 and 15,801.36 is: 21,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.12 : 37,662.20 = 15,801.36 : x
  2. Step 2: Convert to fraction form
    27,288.12/37,662.20 = 15,801.36/x
  3. Step 3: Cross multiply
    27,288.12x = 37,662.20 × 15,801.36
  4. Step 4: Simplify right side
    27,288.12x = 595,113,819.61
  5. Step 5: Solve for x
    x = 595,113,819.61/27,288.12
  6. Step 6: Final answer
    x = 21,808.53

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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.