Home / 26,579.95-36,646.22-21,782.52

Finding the Fourth Proportional to 26,579.95, 36,646.22 and 21,782.52

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Solution

The fourth proportional to 26,579.95, 36,646.22 and 21,782.52 is: 30,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.95 : 36,646.22 = 21,782.52 : x
  2. Step 2: Convert to fraction form
    26,579.95/36,646.22 = 21,782.52/x
  3. Step 3: Cross multiply
    26,579.95x = 36,646.22 × 21,782.52
  4. Step 4: Simplify right side
    26,579.95x = 798,247,074.53
  5. Step 5: Solve for x
    x = 798,247,074.53/26,579.95
  6. Step 6: Final answer
    x = 30,031.93

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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.