Home / 29,378.22-40,540.81-15,949.18

Finding the Fourth Proportional to 29,378.22, 40,540.81 and 15,949.18

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Solution

The fourth proportional to 29,378.22, 40,540.81 and 15,949.18 is: 22,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.22 : 40,540.81 = 15,949.18 : x
  2. Step 2: Convert to fraction form
    29,378.22/40,540.81 = 15,949.18/x
  3. Step 3: Cross multiply
    29,378.22x = 40,540.81 × 15,949.18
  4. Step 4: Simplify right side
    29,378.22x = 646,592,676.04
  5. Step 5: Solve for x
    x = 646,592,676.04/29,378.22
  6. Step 6: Final answer
    x = 22,009.25

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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.