Home / 23,900.12-32,981.92-13,289.64

Finding the Fourth Proportional to 23,900.12, 32,981.92 and 13,289.64

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Solution

The fourth proportional to 23,900.12, 32,981.92 and 13,289.64 is: 18,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.12 : 32,981.92 = 13,289.64 : x
  2. Step 2: Convert to fraction form
    23,900.12/32,981.92 = 13,289.64/x
  3. Step 3: Cross multiply
    23,900.12x = 32,981.92 × 13,289.64
  4. Step 4: Simplify right side
    23,900.12x = 438,317,843.31
  5. Step 5: Solve for x
    x = 438,317,843.31/23,900.12
  6. Step 6: Final answer
    x = 18,339.57

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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.