Home / 26,028.28-39,047.80-10,447.12

Finding the Fourth Proportional to 26,028.28, 39,047.80 and 10,447.12

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Solution

The fourth proportional to 26,028.28, 39,047.80 and 10,447.12 is: 15,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.28 : 39,047.80 = 10,447.12 : x
  2. Step 2: Convert to fraction form
    26,028.28/39,047.80 = 10,447.12/x
  3. Step 3: Cross multiply
    26,028.28x = 39,047.80 × 10,447.12
  4. Step 4: Simplify right side
    26,028.28x = 407,937,052.34
  5. Step 5: Solve for x
    x = 407,937,052.34/26,028.28
  6. Step 6: Final answer
    x = 15,672.84

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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.