Home / 25,313.78-34,932.88-13,984.05

Finding the Fourth Proportional to 25,313.78, 34,932.88 and 13,984.05

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Solution

The fourth proportional to 25,313.78, 34,932.88 and 13,984.05 is: 19,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.78 : 34,932.88 = 13,984.05 : x
  2. Step 2: Convert to fraction form
    25,313.78/34,932.88 = 13,984.05/x
  3. Step 3: Cross multiply
    25,313.78x = 34,932.88 × 13,984.05
  4. Step 4: Simplify right side
    25,313.78x = 488,503,289.04
  5. Step 5: Solve for x
    x = 488,503,289.04/25,313.78
  6. Step 6: Final answer
    x = 19,297.92

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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.