Home / 26,307.40-39,459.30-8,537.80

Finding the Fourth Proportional to 26,307.40, 39,459.30 and 8,537.80

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Solution

The fourth proportional to 26,307.40, 39,459.30 and 8,537.80 is: 12,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.40 : 39,459.30 = 8,537.80 : x
  2. Step 2: Convert to fraction form
    26,307.40/39,459.30 = 8,537.80/x
  3. Step 3: Cross multiply
    26,307.40x = 39,459.30 × 8,537.80
  4. Step 4: Simplify right side
    26,307.40x = 336,895,611.54
  5. Step 5: Solve for x
    x = 336,895,611.54/26,307.40
  6. Step 6: Final answer
    x = 12,806.12

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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.