Home / 25,989.60-35,843.76-20,014.56

Finding the Fourth Proportional to 25,989.60, 35,843.76 and 20,014.56

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Solution

The fourth proportional to 25,989.60, 35,843.76 and 20,014.56 is: 27,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.60 : 35,843.76 = 20,014.56 : x
  2. Step 2: Convert to fraction form
    25,989.60/35,843.76 = 20,014.56/x
  3. Step 3: Cross multiply
    25,989.60x = 35,843.76 × 20,014.56
  4. Step 4: Simplify right side
    25,989.60x = 717,397,085.15
  5. Step 5: Solve for x
    x = 717,397,085.15/25,989.60
  6. Step 6: Final answer
    x = 27,603.24

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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.