Home / 28,279.13-39,007.27-17,372.50

Finding the Fourth Proportional to 28,279.13, 39,007.27 and 17,372.50

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Solution

The fourth proportional to 28,279.13, 39,007.27 and 17,372.50 is: 23,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.13 : 39,007.27 = 17,372.50 : x
  2. Step 2: Convert to fraction form
    28,279.13/39,007.27 = 17,372.50/x
  3. Step 3: Cross multiply
    28,279.13x = 39,007.27 × 17,372.50
  4. Step 4: Simplify right side
    28,279.13x = 677,653,798.08
  5. Step 5: Solve for x
    x = 677,653,798.08/28,279.13
  6. Step 6: Final answer
    x = 23,963.04

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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.