Home / 28,082.64-42,091.56-10,541.28

Finding the Fourth Proportional to 28,082.64, 42,091.56 and 10,541.28

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Solution

The fourth proportional to 28,082.64, 42,091.56 and 10,541.28 is: 15,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.64 : 42,091.56 = 10,541.28 : x
  2. Step 2: Convert to fraction form
    28,082.64/42,091.56 = 10,541.28/x
  3. Step 3: Cross multiply
    28,082.64x = 42,091.56 × 10,541.28
  4. Step 4: Simplify right side
    28,082.64x = 443,698,919.60
  5. Step 5: Solve for x
    x = 443,698,919.60/28,082.64
  6. Step 6: Final answer
    x = 15,799.76

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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.