Home / 26,979.54-37,231.86-15,045.30

Finding the Fourth Proportional to 26,979.54, 37,231.86 and 15,045.30

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Solution

The fourth proportional to 26,979.54, 37,231.86 and 15,045.30 is: 20,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.54 : 37,231.86 = 15,045.30 : x
  2. Step 2: Convert to fraction form
    26,979.54/37,231.86 = 15,045.30/x
  3. Step 3: Cross multiply
    26,979.54x = 37,231.86 × 15,045.30
  4. Step 4: Simplify right side
    26,979.54x = 560,164,503.26
  5. Step 5: Solve for x
    x = 560,164,503.26/26,979.54
  6. Step 6: Final answer
    x = 20,762.57

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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.