Home / 27,492.05-41,258.80-20,115.53

Finding the Fourth Proportional to 27,492.05, 41,258.80 and 20,115.53

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Solution

The fourth proportional to 27,492.05, 41,258.80 and 20,115.53 is: 30,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.05 : 41,258.80 = 20,115.53 : x
  2. Step 2: Convert to fraction form
    27,492.05/41,258.80 = 20,115.53/x
  3. Step 3: Cross multiply
    27,492.05x = 41,258.80 × 20,115.53
  4. Step 4: Simplify right side
    27,492.05x = 829,942,629.16
  5. Step 5: Solve for x
    x = 829,942,629.16/27,492.05
  6. Step 6: Final answer
    x = 30,188.46

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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.