Home / 29,255.39-40,372.27-15,826.60

Finding the Fourth Proportional to 29,255.39, 40,372.27 and 15,826.60

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Solution

The fourth proportional to 29,255.39, 40,372.27 and 15,826.60 is: 21,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.39 : 40,372.27 = 15,826.60 : x
  2. Step 2: Convert to fraction form
    29,255.39/40,372.27 = 15,826.60/x
  3. Step 3: Cross multiply
    29,255.39x = 40,372.27 × 15,826.60
  4. Step 4: Simplify right side
    29,255.39x = 638,955,689.25
  5. Step 5: Solve for x
    x = 638,955,689.25/29,255.39
  6. Step 6: Final answer
    x = 21,840.62

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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.