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Finding the Fourth Proportional to 26,463.25, 39,669.63 and 9,818.83

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Solution

The fourth proportional to 26,463.25, 39,669.63 and 9,818.83 is: 14,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463.25 : 39,669.63 = 9,818.83 : x
  2. Step 2: Convert to fraction form
    26,463.25/39,669.63 = 9,818.83/x
  3. Step 3: Cross multiply
    26,463.25x = 39,669.63 × 9,818.83
  4. Step 4: Simplify right side
    26,463.25x = 389,509,353.13
  5. Step 5: Solve for x
    x = 389,509,353.13/26,463.25
  6. Step 6: Final answer
    x = 14,718.88

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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.