Home / 34,272.24-47,299.40-20,127.12

Finding the Fourth Proportional to 34,272.24, 47,299.40 and 20,127.12

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Solution

The fourth proportional to 34,272.24, 47,299.40 and 20,127.12 is: 27,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.24 : 47,299.40 = 20,127.12 : x
  2. Step 2: Convert to fraction form
    34,272.24/47,299.40 = 20,127.12/x
  3. Step 3: Cross multiply
    34,272.24x = 47,299.40 × 20,127.12
  4. Step 4: Simplify right side
    34,272.24x = 952,000,699.73
  5. Step 5: Solve for x
    x = 952,000,699.73/34,272.24
  6. Step 6: Final answer
    x = 27,777.60

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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.