Home / 35,827.92-49,448.07-20,720.61

Finding the Fourth Proportional to 35,827.92, 49,448.07 and 20,720.61

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Solution

The fourth proportional to 35,827.92, 49,448.07 and 20,720.61 is: 28,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.92 : 49,448.07 = 20,720.61 : x
  2. Step 2: Convert to fraction form
    35,827.92/49,448.07 = 20,720.61/x
  3. Step 3: Cross multiply
    35,827.92x = 49,448.07 × 20,720.61
  4. Step 4: Simplify right side
    35,827.92x = 1,024,594,173.72
  5. Step 5: Solve for x
    x = 1,024,594,173.72/35,827.92
  6. Step 6: Final answer
    x = 28,597.65

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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.