Home / 26,619.87-39,957.50-19,607.80

Finding the Fourth Proportional to 26,619.87, 39,957.50 and 19,607.80

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Solution

The fourth proportional to 26,619.87, 39,957.50 and 19,607.80 is: 29,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.87 : 39,957.50 = 19,607.80 : x
  2. Step 2: Convert to fraction form
    26,619.87/39,957.50 = 19,607.80/x
  3. Step 3: Cross multiply
    26,619.87x = 39,957.50 × 19,607.80
  4. Step 4: Simplify right side
    26,619.87x = 783,478,668.50
  5. Step 5: Solve for x
    x = 783,478,668.50/26,619.87
  6. Step 6: Final answer
    x = 29,432.10

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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.