Home / 23,880.32-35,771.26-13,989.61

Finding the Fourth Proportional to 23,880.32, 35,771.26 and 13,989.61

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Solution

The fourth proportional to 23,880.32, 35,771.26 and 13,989.61 is: 20,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.32 : 35,771.26 = 13,989.61 : x
  2. Step 2: Convert to fraction form
    23,880.32/35,771.26 = 13,989.61/x
  3. Step 3: Cross multiply
    23,880.32x = 35,771.26 × 13,989.61
  4. Step 4: Simplify right side
    23,880.32x = 500,425,976.61
  5. Step 5: Solve for x
    x = 500,425,976.61/23,880.32
  6. Step 6: Final answer
    x = 20,955.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.