Home / 20,709.08-28,546.26-17,345.96

Finding the Fourth Proportional to 20,709.08, 28,546.26 and 17,345.96

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Solution

The fourth proportional to 20,709.08, 28,546.26 and 17,345.96 is: 23,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709.08 : 28,546.26 = 17,345.96 : x
  2. Step 2: Convert to fraction form
    20,709.08/28,546.26 = 17,345.96/x
  3. Step 3: Cross multiply
    20,709.08x = 28,546.26 × 17,345.96
  4. Step 4: Simplify right side
    20,709.08x = 495,162,284.11
  5. Step 5: Solve for x
    x = 495,162,284.11/20,709.08
  6. Step 6: Final answer
    x = 23,910.40

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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.