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Finding the Fourth Proportional to 17,358.40, 26,029.80 and 5,508.82

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Solution

The fourth proportional to 17,358.40, 26,029.80 and 5,508.82 is: 8,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.40 : 26,029.80 = 5,508.82 : x
  2. Step 2: Convert to fraction form
    17,358.40/26,029.80 = 5,508.82/x
  3. Step 3: Cross multiply
    17,358.40x = 26,029.80 × 5,508.82
  4. Step 4: Simplify right side
    17,358.40x = 143,393,482.84
  5. Step 5: Solve for x
    x = 143,393,482.84/17,358.40
  6. Step 6: Final answer
    x = 8,260.75

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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.