Home / 20,059.54-27,682.60-10,985.29

Finding the Fourth Proportional to 20,059.54, 27,682.60 and 10,985.29

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Solution

The fourth proportional to 20,059.54, 27,682.60 and 10,985.29 is: 15,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.54 : 27,682.60 = 10,985.29 : x
  2. Step 2: Convert to fraction form
    20,059.54/27,682.60 = 10,985.29/x
  3. Step 3: Cross multiply
    20,059.54x = 27,682.60 × 10,985.29
  4. Step 4: Simplify right side
    20,059.54x = 304,101,388.95
  5. Step 5: Solve for x
    x = 304,101,388.95/20,059.54
  6. Step 6: Final answer
    x = 15,159.94

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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.