Home / 28,956.40-39,954.69-17,022.16

Finding the Fourth Proportional to 28,956.40, 39,954.69 and 17,022.16

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Solution

The fourth proportional to 28,956.40, 39,954.69 and 17,022.16 is: 23,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.40 : 39,954.69 = 17,022.16 : x
  2. Step 2: Convert to fraction form
    28,956.40/39,954.69 = 17,022.16/x
  3. Step 3: Cross multiply
    28,956.40x = 39,954.69 × 17,022.16
  4. Step 4: Simplify right side
    28,956.40x = 680,115,125.93
  5. Step 5: Solve for x
    x = 680,115,125.93/28,956.40
  6. Step 6: Final answer
    x = 23,487.56

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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.