Home / 29,236.75-40,346.72-15,988.75

Finding the Fourth Proportional to 29,236.75, 40,346.72 and 15,988.75

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Solution

The fourth proportional to 29,236.75, 40,346.72 and 15,988.75 is: 22,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,236.75 : 40,346.72 = 15,988.75 : x
  2. Step 2: Convert to fraction form
    29,236.75/40,346.72 = 15,988.75/x
  3. Step 3: Cross multiply
    29,236.75x = 40,346.72 × 15,988.75
  4. Step 4: Simplify right side
    29,236.75x = 645,093,619.40
  5. Step 5: Solve for x
    x = 645,093,619.40/29,236.75
  6. Step 6: Final answer
    x = 22,064.48

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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.