Home / 21,695.06-29,885.67-18,497.94

Finding the Fourth Proportional to 21,695.06, 29,885.67 and 18,497.94

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Solution

The fourth proportional to 21,695.06, 29,885.67 and 18,497.94 is: 25,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.06 : 29,885.67 = 18,497.94 : x
  2. Step 2: Convert to fraction form
    21,695.06/29,885.67 = 18,497.94/x
  3. Step 3: Cross multiply
    21,695.06x = 29,885.67 × 18,497.94
  4. Step 4: Simplify right side
    21,695.06x = 552,823,248.97
  5. Step 5: Solve for x
    x = 552,823,248.97/21,695.06
  6. Step 6: Final answer
    x = 25,481.53

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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.