Home / 26,701.08-36,820.68-20,730.48

Finding the Fourth Proportional to 26,701.08, 36,820.68 and 20,730.48

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Solution

The fourth proportional to 26,701.08, 36,820.68 and 20,730.48 is: 28,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701.08 : 36,820.68 = 20,730.48 : x
  2. Step 2: Convert to fraction form
    26,701.08/36,820.68 = 20,730.48/x
  3. Step 3: Cross multiply
    26,701.08x = 36,820.68 × 20,730.48
  4. Step 4: Simplify right side
    26,701.08x = 763,310,370.33
  5. Step 5: Solve for x
    x = 763,310,370.33/26,701.08
  6. Step 6: Final answer
    x = 28,587.25

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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.