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Finding the Fourth Proportional to 17,903.66, 26,827.89 and 9,584.78

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Solution

The fourth proportional to 17,903.66, 26,827.89 and 9,584.78 is: 14,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.66 : 26,827.89 = 9,584.78 : x
  2. Step 2: Convert to fraction form
    17,903.66/26,827.89 = 9,584.78/x
  3. Step 3: Cross multiply
    17,903.66x = 26,827.89 × 9,584.78
  4. Step 4: Simplify right side
    17,903.66x = 257,139,423.51
  5. Step 5: Solve for x
    x = 257,139,423.51/17,903.66
  6. Step 6: Final answer
    x = 14,362.39

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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.