Home / 25,306.78-34,923.54-13,975.96

Finding the Fourth Proportional to 25,306.78, 34,923.54 and 13,975.96

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Solution

The fourth proportional to 25,306.78, 34,923.54 and 13,975.96 is: 19,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.78 : 34,923.54 = 13,975.96 : x
  2. Step 2: Convert to fraction form
    25,306.78/34,923.54 = 13,975.96/x
  3. Step 3: Cross multiply
    25,306.78x = 34,923.54 × 13,975.96
  4. Step 4: Simplify right side
    25,306.78x = 488,089,998.10
  5. Step 5: Solve for x
    x = 488,089,998.10/25,306.78
  6. Step 6: Final answer
    x = 19,286.93

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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.