Home / 28,958.88-39,963.48-17,022.72

Finding the Fourth Proportional to 28,958.88, 39,963.48 and 17,022.72

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Solution

The fourth proportional to 28,958.88, 39,963.48 and 17,022.72 is: 23,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.88 : 39,963.48 = 17,022.72 : x
  2. Step 2: Convert to fraction form
    28,958.88/39,963.48 = 17,022.72/x
  3. Step 3: Cross multiply
    28,958.88x = 39,963.48 × 17,022.72
  4. Step 4: Simplify right side
    28,958.88x = 680,287,130.27
  5. Step 5: Solve for x
    x = 680,287,130.27/28,958.88
  6. Step 6: Final answer
    x = 23,491.49

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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.