Home / 26,550.10-36,639.27-15,220.28

Finding the Fourth Proportional to 26,550.10, 36,639.27 and 15,220.28

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Solution

The fourth proportional to 26,550.10, 36,639.27 and 15,220.28 is: 21,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.10 : 36,639.27 = 15,220.28 : x
  2. Step 2: Convert to fraction form
    26,550.10/36,639.27 = 15,220.28/x
  3. Step 3: Cross multiply
    26,550.10x = 36,639.27 × 15,220.28
  4. Step 4: Simplify right side
    26,550.10x = 557,660,039.99
  5. Step 5: Solve for x
    x = 557,660,039.99/26,550.10
  6. Step 6: Final answer
    x = 21,004.06

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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.