Home / 28,080.90-38,716.59-17,992.74

Finding the Fourth Proportional to 28,080.90, 38,716.59 and 17,992.74

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Solution

The fourth proportional to 28,080.90, 38,716.59 and 17,992.74 is: 24,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.90 : 38,716.59 = 17,992.74 : x
  2. Step 2: Convert to fraction form
    28,080.90/38,716.59 = 17,992.74/x
  3. Step 3: Cross multiply
    28,080.90x = 38,716.59 × 17,992.74
  4. Step 4: Simplify right side
    28,080.90x = 696,617,537.56
  5. Step 5: Solve for x
    x = 696,617,537.56/28,080.90
  6. Step 6: Final answer
    x = 24,807.52

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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.