Home / 25,592.51-38,424.63-13,121.49

Finding the Fourth Proportional to 25,592.51, 38,424.63 and 13,121.49

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Solution

The fourth proportional to 25,592.51, 38,424.63 and 13,121.49 is: 19,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,592.51 : 38,424.63 = 13,121.49 : x
  2. Step 2: Convert to fraction form
    25,592.51/38,424.63 = 13,121.49/x
  3. Step 3: Cross multiply
    25,592.51x = 38,424.63 × 13,121.49
  4. Step 4: Simplify right side
    25,592.51x = 504,188,517.79
  5. Step 5: Solve for x
    x = 504,188,517.79/25,592.51
  6. Step 6: Final answer
    x = 19,700.63

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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.