Home / 28,979.62-39,998.13-17,652.85

Finding the Fourth Proportional to 28,979.62, 39,998.13 and 17,652.85

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Solution

The fourth proportional to 28,979.62, 39,998.13 and 17,652.85 is: 24,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.62 : 39,998.13 = 17,652.85 : x
  2. Step 2: Convert to fraction form
    28,979.62/39,998.13 = 17,652.85/x
  3. Step 3: Cross multiply
    28,979.62x = 39,998.13 × 17,652.85
  4. Step 4: Simplify right side
    28,979.62x = 706,080,989.17
  5. Step 5: Solve for x
    x = 706,080,989.17/28,979.62
  6. Step 6: Final answer
    x = 24,364.74

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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.