Home / 26,389.23-39,584.19-8,619.75

Finding the Fourth Proportional to 26,389.23, 39,584.19 and 8,619.75

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Solution

The fourth proportional to 26,389.23, 39,584.19 and 8,619.75 is: 12,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.23 : 39,584.19 = 8,619.75 : x
  2. Step 2: Convert to fraction form
    26,389.23/39,584.19 = 8,619.75/x
  3. Step 3: Cross multiply
    26,389.23x = 39,584.19 × 8,619.75
  4. Step 4: Simplify right side
    26,389.23x = 341,205,970.19
  5. Step 5: Solve for x
    x = 341,205,970.19/26,389.23
  6. Step 6: Final answer
    x = 12,929.74

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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.