Home / 19,611.02-27,044.76-15,127.68

Finding the Fourth Proportional to 19,611.02, 27,044.76 and 15,127.68

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Solution

The fourth proportional to 19,611.02, 27,044.76 and 15,127.68 is: 20,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.02 : 27,044.76 = 15,127.68 : x
  2. Step 2: Convert to fraction form
    19,611.02/27,044.76 = 15,127.68/x
  3. Step 3: Cross multiply
    19,611.02x = 27,044.76 × 15,127.68
  4. Step 4: Simplify right side
    19,611.02x = 409,124,474.96
  5. Step 5: Solve for x
    x = 409,124,474.96/19,611.02
  6. Step 6: Final answer
    x = 20,861.97

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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.