Home / 25,468.36-38,205.54-7,938.28

Finding the Fourth Proportional to 25,468.36, 38,205.54 and 7,938.28

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Solution

The fourth proportional to 25,468.36, 38,205.54 and 7,938.28 is: 11,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468.36 : 38,205.54 = 7,938.28 : x
  2. Step 2: Convert to fraction form
    25,468.36/38,205.54 = 7,938.28/x
  3. Step 3: Cross multiply
    25,468.36x = 38,205.54 × 7,938.28
  4. Step 4: Simplify right side
    25,468.36x = 303,286,274.07
  5. Step 5: Solve for x
    x = 303,286,274.07/25,468.36
  6. Step 6: Final answer
    x = 11,908.36

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1.5x scale

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.