Home / 26,409.52-39,605.91-8,636.07

Finding the Fourth Proportional to 26,409.52, 39,605.91 and 8,636.07

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Solution

The fourth proportional to 26,409.52, 39,605.91 and 8,636.07 is: 12,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.52 : 39,605.91 = 8,636.07 : x
  2. Step 2: Convert to fraction form
    26,409.52/39,605.91 = 8,636.07/x
  3. Step 3: Cross multiply
    26,409.52x = 39,605.91 × 8,636.07
  4. Step 4: Simplify right side
    26,409.52x = 342,039,328.82
  5. Step 5: Solve for x
    x = 342,039,328.82/26,409.52
  6. Step 6: Final answer
    x = 12,951.37

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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.