Home / 29,378.16-40,541.44-15,949.28

Finding the Fourth Proportional to 29,378.16, 40,541.44 and 15,949.28

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Solution

The fourth proportional to 29,378.16, 40,541.44 and 15,949.28 is: 22,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.16 : 40,541.44 = 15,949.28 : x
  2. Step 2: Convert to fraction form
    29,378.16/40,541.44 = 15,949.28/x
  3. Step 3: Cross multiply
    29,378.16x = 40,541.44 × 15,949.28
  4. Step 4: Simplify right side
    29,378.16x = 646,606,778.16
  5. Step 5: Solve for x
    x = 646,606,778.16/29,378.16
  6. Step 6: Final answer
    x = 22,009.78

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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.