Home / 25,992.86-35,827.83-20,317.59

Finding the Fourth Proportional to 25,992.86, 35,827.83 and 20,317.59

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Solution

The fourth proportional to 25,992.86, 35,827.83 and 20,317.59 is: 28,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.86 : 35,827.83 = 20,317.59 : x
  2. Step 2: Convert to fraction form
    25,992.86/35,827.83 = 20,317.59/x
  3. Step 3: Cross multiply
    25,992.86x = 35,827.83 × 20,317.59
  4. Step 4: Simplify right side
    25,992.86x = 727,935,160.53
  5. Step 5: Solve for x
    x = 727,935,160.53/25,992.86
  6. Step 6: Final answer
    x = 28,005.20

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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.