Home / 20,232.64-30,353.28-7,085.44

Finding the Fourth Proportional to 20,232.64, 30,353.28 and 7,085.44

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Solution

The fourth proportional to 20,232.64, 30,353.28 and 7,085.44 is: 10,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.64 : 30,353.28 = 7,085.44 : x
  2. Step 2: Convert to fraction form
    20,232.64/30,353.28 = 7,085.44/x
  3. Step 3: Cross multiply
    20,232.64x = 30,353.28 × 7,085.44
  4. Step 4: Simplify right side
    20,232.64x = 215,066,344.24
  5. Step 5: Solve for x
    x = 215,066,344.24/20,232.64
  6. Step 6: Final answer
    x = 10,629.67

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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.