Home / 25,278.35-37,906.52-13,429.53

Finding the Fourth Proportional to 25,278.35, 37,906.52 and 13,429.53

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Solution

The fourth proportional to 25,278.35, 37,906.52 and 13,429.53 is: 20,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.35 : 37,906.52 = 13,429.53 : x
  2. Step 2: Convert to fraction form
    25,278.35/37,906.52 = 13,429.53/x
  3. Step 3: Cross multiply
    25,278.35x = 37,906.52 × 13,429.53
  4. Step 4: Simplify right side
    25,278.35x = 509,066,680.39
  5. Step 5: Solve for x
    x = 509,066,680.39/25,278.35
  6. Step 6: Final answer
    x = 20,138.45

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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.