Home / 26,319.30-39,494.50-9,690.98

Finding the Fourth Proportional to 26,319.30, 39,494.50 and 9,690.98

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Solution

The fourth proportional to 26,319.30, 39,494.50 and 9,690.98 is: 14,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.30 : 39,494.50 = 9,690.98 : x
  2. Step 2: Convert to fraction form
    26,319.30/39,494.50 = 9,690.98/x
  3. Step 3: Cross multiply
    26,319.30x = 39,494.50 × 9,690.98
  4. Step 4: Simplify right side
    26,319.30x = 382,740,409.61
  5. Step 5: Solve for x
    x = 382,740,409.61/26,319.30
  6. Step 6: Final answer
    x = 14,542.20

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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.