Home / 26,338.61-36,339.95-15,724.37

Finding the Fourth Proportional to 26,338.61, 36,339.95 and 15,724.37

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Solution

The fourth proportional to 26,338.61, 36,339.95 and 15,724.37 is: 21,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,338.61 : 36,339.95 = 15,724.37 : x
  2. Step 2: Convert to fraction form
    26,338.61/36,339.95 = 15,724.37/x
  3. Step 3: Cross multiply
    26,338.61x = 36,339.95 × 15,724.37
  4. Step 4: Simplify right side
    26,338.61x = 571,422,559.26
  5. Step 5: Solve for x
    x = 571,422,559.26/26,338.61
  6. Step 6: Final answer
    x = 21,695.25

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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.