Home / 25,993.86-35,829.21-20,318.59

Finding the Fourth Proportional to 25,993.86, 35,829.21 and 20,318.59

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Solution

The fourth proportional to 25,993.86, 35,829.21 and 20,318.59 is: 28,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.86 : 35,829.21 = 20,318.59 : x
  2. Step 2: Convert to fraction form
    25,993.86/35,829.21 = 20,318.59/x
  3. Step 3: Cross multiply
    25,993.86x = 35,829.21 × 20,318.59
  4. Step 4: Simplify right side
    25,993.86x = 727,999,028.01
  5. Step 5: Solve for x
    x = 727,999,028.01/25,993.86
  6. Step 6: Final answer
    x = 28,006.58

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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.