Home / 26,629.12-39,916.67-17,275.11

Finding the Fourth Proportional to 26,629.12, 39,916.67 and 17,275.11

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Solution

The fourth proportional to 26,629.12, 39,916.67 and 17,275.11 is: 25,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.12 : 39,916.67 = 17,275.11 : x
  2. Step 2: Convert to fraction form
    26,629.12/39,916.67 = 17,275.11/x
  3. Step 3: Cross multiply
    26,629.12x = 39,916.67 × 17,275.11
  4. Step 4: Simplify right side
    26,629.12x = 689,564,629.02
  5. Step 5: Solve for x
    x = 689,564,629.02/26,629.12
  6. Step 6: Final answer
    x = 25,895.13

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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.