Home / 26,650.81-39,967.71-10,855.81

Finding the Fourth Proportional to 26,650.81, 39,967.71 and 10,855.81

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Solution

The fourth proportional to 26,650.81, 39,967.71 and 10,855.81 is: 16,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.81 : 39,967.71 = 10,855.81 : x
  2. Step 2: Convert to fraction form
    26,650.81/39,967.71 = 10,855.81/x
  3. Step 3: Cross multiply
    26,650.81x = 39,967.71 × 10,855.81
  4. Step 4: Simplify right side
    26,650.81x = 433,881,865.90
  5. Step 5: Solve for x
    x = 433,881,865.90/26,650.81
  6. Step 6: Final answer
    x = 16,280.25

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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.