Home / 23,063.84-31,828.85-12,992.47

Finding the Fourth Proportional to 23,063.84, 31,828.85 and 12,992.47

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Solution

The fourth proportional to 23,063.84, 31,828.85 and 12,992.47 is: 17,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,063.84 : 31,828.85 = 12,992.47 : x
  2. Step 2: Convert to fraction form
    23,063.84/31,828.85 = 12,992.47/x
  3. Step 3: Cross multiply
    23,063.84x = 31,828.85 × 12,992.47
  4. Step 4: Simplify right side
    23,063.84x = 413,535,282.95
  5. Step 5: Solve for x
    x = 413,535,282.95/23,063.84
  6. Step 6: Final answer
    x = 17,930.03

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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.