Home / 17,039.16-23,478.66-15,921.36

Finding the Fourth Proportional to 17,039.16, 23,478.66 and 15,921.36

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Solution

The fourth proportional to 17,039.16, 23,478.66 and 15,921.36 is: 21,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.16 : 23,478.66 = 15,921.36 : x
  2. Step 2: Convert to fraction form
    17,039.16/23,478.66 = 15,921.36/x
  3. Step 3: Cross multiply
    17,039.16x = 23,478.66 × 15,921.36
  4. Step 4: Simplify right side
    17,039.16x = 373,812,198.18
  5. Step 5: Solve for x
    x = 373,812,198.18/17,039.16
  6. Step 6: Final answer
    x = 21,938.42

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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.