Home / 28,506.28-39,313.20-17,896.92

Finding the Fourth Proportional to 28,506.28, 39,313.20 and 17,896.92

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Solution

The fourth proportional to 28,506.28, 39,313.20 and 17,896.92 is: 24,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.28 : 39,313.20 = 17,896.92 : x
  2. Step 2: Convert to fraction form
    28,506.28/39,313.20 = 17,896.92/x
  3. Step 3: Cross multiply
    28,506.28x = 39,313.20 × 17,896.92
  4. Step 4: Simplify right side
    28,506.28x = 703,585,195.34
  5. Step 5: Solve for x
    x = 703,585,195.34/28,506.28
  6. Step 6: Final answer
    x = 24,681.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.