Home / 25,929.54-38,915.07-13,453.14

Finding the Fourth Proportional to 25,929.54, 38,915.07 and 13,453.14

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Solution

The fourth proportional to 25,929.54, 38,915.07 and 13,453.14 is: 20,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.54 : 38,915.07 = 13,453.14 : x
  2. Step 2: Convert to fraction form
    25,929.54/38,915.07 = 13,453.14/x
  3. Step 3: Cross multiply
    25,929.54x = 38,915.07 × 13,453.14
  4. Step 4: Simplify right side
    25,929.54x = 523,529,884.82
  5. Step 5: Solve for x
    x = 523,529,884.82/25,929.54
  6. Step 6: Final answer
    x = 20,190.48

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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.