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Finding the Fourth Proportional to 17,673.12, 26,512.92 and 5,827.59

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Solution

The fourth proportional to 17,673.12, 26,512.92 and 5,827.59 is: 8,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.12 : 26,512.92 = 5,827.59 : x
  2. Step 2: Convert to fraction form
    17,673.12/26,512.92 = 5,827.59/x
  3. Step 3: Cross multiply
    17,673.12x = 26,512.92 × 5,827.59
  4. Step 4: Simplify right side
    17,673.12x = 154,506,427.46
  5. Step 5: Solve for x
    x = 154,506,427.46/17,673.12
  6. Step 6: Final answer
    x = 8,742.45

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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.