Home / 26,271.60-39,342.60-17,458.80

Finding the Fourth Proportional to 26,271.60, 39,342.60 and 17,458.80

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Solution

The fourth proportional to 26,271.60, 39,342.60 and 17,458.80 is: 26,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.60 : 39,342.60 = 17,458.80 : x
  2. Step 2: Convert to fraction form
    26,271.60/39,342.60 = 17,458.80/x
  3. Step 3: Cross multiply
    26,271.60x = 39,342.60 × 17,458.80
  4. Step 4: Simplify right side
    26,271.60x = 686,874,584.88
  5. Step 5: Solve for x
    x = 686,874,584.88/26,271.60
  6. Step 6: Final answer
    x = 26,145.14

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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.