Home / 21,841.26-30,159.99-17,117.34

Finding the Fourth Proportional to 21,841.26, 30,159.99 and 17,117.34

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Solution

The fourth proportional to 21,841.26, 30,159.99 and 17,117.34 is: 23,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.26 : 30,159.99 = 17,117.34 : x
  2. Step 2: Convert to fraction form
    21,841.26/30,159.99 = 17,117.34/x
  3. Step 3: Cross multiply
    21,841.26x = 30,159.99 × 17,117.34
  4. Step 4: Simplify right side
    21,841.26x = 516,258,803.23
  5. Step 5: Solve for x
    x = 516,258,803.23/21,841.26
  6. Step 6: Final answer
    x = 23,636.86

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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.