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Finding the Fourth Proportional to 26,629, 39,938.02 and 12,583.06

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Solution

The fourth proportional to 26,629, 39,938.02 and 12,583.06 is: 18,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629 : 39,938.02 = 12,583.06 : x
  2. Step 2: Convert to fraction form
    26,629/39,938.02 = 12,583.06/x
  3. Step 3: Cross multiply
    26,629x = 39,938.02 × 12,583.06
  4. Step 4: Simplify right side
    26,629x = 502,542,501.94
  5. Step 5: Solve for x
    x = 502,542,501.94/26,629
  6. Step 6: Final answer
    x = 18,872.00

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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.