Home / 26,665.23-39,984.40-8,889.58

Finding the Fourth Proportional to 26,665.23, 39,984.40 and 8,889.58

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Solution

The fourth proportional to 26,665.23, 39,984.40 and 8,889.58 is: 13,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.23 : 39,984.40 = 8,889.58 : x
  2. Step 2: Convert to fraction form
    26,665.23/39,984.40 = 8,889.58/x
  3. Step 3: Cross multiply
    26,665.23x = 39,984.40 × 8,889.58
  4. Step 4: Simplify right side
    26,665.23x = 355,444,522.55
  5. Step 5: Solve for x
    x = 355,444,522.55/26,665.23
  6. Step 6: Final answer
    x = 13,329.89

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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.