Home / 27,968.75-41,913.93-13,915.45

Finding the Fourth Proportional to 27,968.75, 41,913.93 and 13,915.45

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Solution

The fourth proportional to 27,968.75, 41,913.93 and 13,915.45 is: 20,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.75 : 41,913.93 = 13,915.45 : x
  2. Step 2: Convert to fraction form
    27,968.75/41,913.93 = 13,915.45/x
  3. Step 3: Cross multiply
    27,968.75x = 41,913.93 × 13,915.45
  4. Step 4: Simplify right side
    27,968.75x = 583,251,092.43
  5. Step 5: Solve for x
    x = 583,251,092.43/27,968.75
  6. Step 6: Final answer
    x = 20,853.67

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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.