Home / 25,955.64-35,821.44-15,890.73

Finding the Fourth Proportional to 25,955.64, 35,821.44 and 15,890.73

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Solution

The fourth proportional to 25,955.64, 35,821.44 and 15,890.73 is: 21,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.64 : 35,821.44 = 15,890.73 : x
  2. Step 2: Convert to fraction form
    25,955.64/35,821.44 = 15,890.73/x
  3. Step 3: Cross multiply
    25,955.64x = 35,821.44 × 15,890.73
  4. Step 4: Simplify right side
    25,955.64x = 569,228,831.25
  5. Step 5: Solve for x
    x = 569,228,831.25/25,955.64
  6. Step 6: Final answer
    x = 21,930.83

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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.