Home / 40,728.24-61,054.49-15,784.56

Finding the Fourth Proportional to 40,728.24, 61,054.49 and 15,784.56

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Solution

The fourth proportional to 40,728.24, 61,054.49 and 15,784.56 is: 23,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.24 : 61,054.49 = 15,784.56 : x
  2. Step 2: Convert to fraction form
    40,728.24/61,054.49 = 15,784.56/x
  3. Step 3: Cross multiply
    40,728.24x = 61,054.49 × 15,784.56
  4. Step 4: Simplify right side
    40,728.24x = 963,718,300.14
  5. Step 5: Solve for x
    x = 963,718,300.14/40,728.24
  6. Step 6: Final answer
    x = 23,662.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.