Home / 23,078.39-31,810.86-18,033.84

Finding the Fourth Proportional to 23,078.39, 31,810.86 and 18,033.84

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Solution

The fourth proportional to 23,078.39, 31,810.86 and 18,033.84 is: 24,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.39 : 31,810.86 = 18,033.84 : x
  2. Step 2: Convert to fraction form
    23,078.39/31,810.86 = 18,033.84/x
  3. Step 3: Cross multiply
    23,078.39x = 31,810.86 × 18,033.84
  4. Step 4: Simplify right side
    23,078.39x = 573,671,959.50
  5. Step 5: Solve for x
    x = 573,671,959.50/23,078.39
  6. Step 6: Final answer
    x = 24,857.54

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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.