Home / 23,036.97-31,800.83-15,487.68

Finding the Fourth Proportional to 23,036.97, 31,800.83 and 15,487.68

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Solution

The fourth proportional to 23,036.97, 31,800.83 and 15,487.68 is: 21,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.97 : 31,800.83 = 15,487.68 : x
  2. Step 2: Convert to fraction form
    23,036.97/31,800.83 = 15,487.68/x
  3. Step 3: Cross multiply
    23,036.97x = 31,800.83 × 15,487.68
  4. Step 4: Simplify right side
    23,036.97x = 492,521,001.34
  5. Step 5: Solve for x
    x = 492,521,001.34/23,036.97
  6. Step 6: Final answer
    x = 21,379.59

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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.