Home / 53,815.32-80,723.05-25,728.77

Finding the Fourth Proportional to 53,815.32, 80,723.05 and 25,728.77

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Solution

The fourth proportional to 53,815.32, 80,723.05 and 25,728.77 is: 38,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.32 : 80,723.05 = 25,728.77 : x
  2. Step 2: Convert to fraction form
    53,815.32/80,723.05 = 25,728.77/x
  3. Step 3: Cross multiply
    53,815.32x = 80,723.05 × 25,728.77
  4. Step 4: Simplify right side
    53,815.32x = 2,076,904,924.63
  5. Step 5: Solve for x
    x = 2,076,904,924.63/53,815.32
  6. Step 6: Final answer
    x = 38,593.19

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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.