Home / 23,033.28-31,824-18,353.28

Finding the Fourth Proportional to 23,033.28, 31,824 and 18,353.28

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Solution

The fourth proportional to 23,033.28, 31,824 and 18,353.28 is: 25,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.28 : 31,824 = 18,353.28 : x
  2. Step 2: Convert to fraction form
    23,033.28/31,824 = 18,353.28/x
  3. Step 3: Cross multiply
    23,033.28x = 31,824 × 18,353.28
  4. Step 4: Simplify right side
    23,033.28x = 584,074,782.72
  5. Step 5: Solve for x
    x = 584,074,782.72/23,033.28
  6. Step 6: Final answer
    x = 25,357.86

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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.