Home / 27,415.64-41,123.32-6,639.14

Finding the Fourth Proportional to 27,415.64, 41,123.32 and 6,639.14

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Solution

The fourth proportional to 27,415.64, 41,123.32 and 6,639.14 is: 9,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.64 : 41,123.32 = 6,639.14 : x
  2. Step 2: Convert to fraction form
    27,415.64/41,123.32 = 6,639.14/x
  3. Step 3: Cross multiply
    27,415.64x = 41,123.32 × 6,639.14
  4. Step 4: Simplify right side
    27,415.64x = 273,023,256.53
  5. Step 5: Solve for x
    x = 273,023,256.53/27,415.64
  6. Step 6: Final answer
    x = 9,958.67

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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.