Home / 25,117.64-34,662.36-13,939.64

Finding the Fourth Proportional to 25,117.64, 34,662.36 and 13,939.64

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Solution

The fourth proportional to 25,117.64, 34,662.36 and 13,939.64 is: 19,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.64 : 34,662.36 = 13,939.64 : x
  2. Step 2: Convert to fraction form
    25,117.64/34,662.36 = 13,939.64/x
  3. Step 3: Cross multiply
    25,117.64x = 34,662.36 × 13,939.64
  4. Step 4: Simplify right side
    25,117.64x = 483,180,819.95
  5. Step 5: Solve for x
    x = 483,180,819.95/25,117.64
  6. Step 6: Final answer
    x = 19,236.71

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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.