Home / 28,491.29-39,308.52-17,156.48

Finding the Fourth Proportional to 28,491.29, 39,308.52 and 17,156.48

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Solution

The fourth proportional to 28,491.29, 39,308.52 and 17,156.48 is: 23,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.29 : 39,308.52 = 17,156.48 : x
  2. Step 2: Convert to fraction form
    28,491.29/39,308.52 = 17,156.48/x
  3. Step 3: Cross multiply
    28,491.29x = 39,308.52 × 17,156.48
  4. Step 4: Simplify right side
    28,491.29x = 674,395,891.91
  5. Step 5: Solve for x
    x = 674,395,891.91/28,491.29
  6. Step 6: Final answer
    x = 23,670.24

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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.