Home / 26,899.32-37,101.60-20,744.28

Finding the Fourth Proportional to 26,899.32, 37,101.60 and 20,744.28

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Solution

The fourth proportional to 26,899.32, 37,101.60 and 20,744.28 is: 28,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.32 : 37,101.60 = 20,744.28 : x
  2. Step 2: Convert to fraction form
    26,899.32/37,101.60 = 20,744.28/x
  3. Step 3: Cross multiply
    26,899.32x = 37,101.60 × 20,744.28
  4. Step 4: Simplify right side
    26,899.32x = 769,645,978.85
  5. Step 5: Solve for x
    x = 769,645,978.85/26,899.32
  6. Step 6: Final answer
    x = 28,612.10

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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.