Home / 26,603.91-36,694.94-21,568.32

Finding the Fourth Proportional to 26,603.91, 36,694.94 and 21,568.32

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Solution

The fourth proportional to 26,603.91, 36,694.94 and 21,568.32 is: 29,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.91 : 36,694.94 = 21,568.32 : x
  2. Step 2: Convert to fraction form
    26,603.91/36,694.94 = 21,568.32/x
  3. Step 3: Cross multiply
    26,603.91x = 36,694.94 × 21,568.32
  4. Step 4: Simplify right side
    26,603.91x = 791,448,100.46
  5. Step 5: Solve for x
    x = 791,448,100.46/26,603.91
  6. Step 6: Final answer
    x = 29,749.32

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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.