Home / 26,190.65-39,271.08-17,880.68

Finding the Fourth Proportional to 26,190.65, 39,271.08 and 17,880.68

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Solution

The fourth proportional to 26,190.65, 39,271.08 and 17,880.68 is: 26,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.65 : 39,271.08 = 17,880.68 : x
  2. Step 2: Convert to fraction form
    26,190.65/39,271.08 = 17,880.68/x
  3. Step 3: Cross multiply
    26,190.65x = 39,271.08 × 17,880.68
  4. Step 4: Simplify right side
    26,190.65x = 702,193,614.73
  5. Step 5: Solve for x
    x = 702,193,614.73/26,190.65
  6. Step 6: Final answer
    x = 26,810.85

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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.