Home / 26,577.28-36,636.56-21,853.36

Finding the Fourth Proportional to 26,577.28, 36,636.56 and 21,853.36

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Solution

The fourth proportional to 26,577.28, 36,636.56 and 21,853.36 is: 30,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,577.28 : 36,636.56 = 21,853.36 : x
  2. Step 2: Convert to fraction form
    26,577.28/36,636.56 = 21,853.36/x
  3. Step 3: Cross multiply
    26,577.28x = 36,636.56 × 21,853.36
  4. Step 4: Simplify right side
    26,577.28x = 800,631,934.84
  5. Step 5: Solve for x
    x = 800,631,934.84/26,577.28
  6. Step 6: Final answer
    x = 30,124.68

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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.