Home / 26,415.72-36,452.16-15,805.26

Finding the Fourth Proportional to 26,415.72, 36,452.16 and 15,805.26

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Solution

The fourth proportional to 26,415.72, 36,452.16 and 15,805.26 is: 21,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.72 : 36,452.16 = 15,805.26 : x
  2. Step 2: Convert to fraction form
    26,415.72/36,452.16 = 15,805.26/x
  3. Step 3: Cross multiply
    26,415.72x = 36,452.16 × 15,805.26
  4. Step 4: Simplify right side
    26,415.72x = 576,135,866.36
  5. Step 5: Solve for x
    x = 576,135,866.36/26,415.72
  6. Step 6: Final answer
    x = 21,810.34

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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.