Home / 25,971.33-38,923.86-12,647.52

Finding the Fourth Proportional to 25,971.33, 38,923.86 and 12,647.52

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Solution

The fourth proportional to 25,971.33, 38,923.86 and 12,647.52 is: 18,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.33 : 38,923.86 = 12,647.52 : x
  2. Step 2: Convert to fraction form
    25,971.33/38,923.86 = 12,647.52/x
  3. Step 3: Cross multiply
    25,971.33x = 38,923.86 × 12,647.52
  4. Step 4: Simplify right side
    25,971.33x = 492,290,297.83
  5. Step 5: Solve for x
    x = 492,290,297.83/25,971.33
  6. Step 6: Final answer
    x = 18,955.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.