Home / 26,628.56-39,938.60-8,857.72

Finding the Fourth Proportional to 26,628.56, 39,938.60 and 8,857.72

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Solution

The fourth proportional to 26,628.56, 39,938.60 and 8,857.72 is: 13,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.56 : 39,938.60 = 8,857.72 : x
  2. Step 2: Convert to fraction form
    26,628.56/39,938.60 = 8,857.72/x
  3. Step 3: Cross multiply
    26,628.56x = 39,938.60 × 8,857.72
  4. Step 4: Simplify right side
    26,628.56x = 353,764,935.99
  5. Step 5: Solve for x
    x = 353,764,935.99/26,628.56
  6. Step 6: Final answer
    x = 13,285.17

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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.