Home / 27,163.61-37,487.35-15,230.78

Finding the Fourth Proportional to 27,163.61, 37,487.35 and 15,230.78

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Solution

The fourth proportional to 27,163.61, 37,487.35 and 15,230.78 is: 21,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.61 : 37,487.35 = 15,230.78 : x
  2. Step 2: Convert to fraction form
    27,163.61/37,487.35 = 15,230.78/x
  3. Step 3: Cross multiply
    27,163.61x = 37,487.35 × 15,230.78
  4. Step 4: Simplify right side
    27,163.61x = 570,961,580.63
  5. Step 5: Solve for x
    x = 570,961,580.63/27,163.61
  6. Step 6: Final answer
    x = 21,019.36

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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.