Home / 21,176.54-29,199.79-17,336.23

Finding the Fourth Proportional to 21,176.54, 29,199.79 and 17,336.23

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Solution

The fourth proportional to 21,176.54, 29,199.79 and 17,336.23 is: 23,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.54 : 29,199.79 = 17,336.23 : x
  2. Step 2: Convert to fraction form
    21,176.54/29,199.79 = 17,336.23/x
  3. Step 3: Cross multiply
    21,176.54x = 29,199.79 × 17,336.23
  4. Step 4: Simplify right side
    21,176.54x = 506,214,224.06
  5. Step 5: Solve for x
    x = 506,214,224.06/21,176.54
  6. Step 6: Final answer
    x = 23,904.48

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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.