Home / 26,484.90-39,683.34-18,677.58

Finding the Fourth Proportional to 26,484.90, 39,683.34 and 18,677.58

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Solution

The fourth proportional to 26,484.90, 39,683.34 and 18,677.58 is: 27,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,484.90 : 39,683.34 = 18,677.58 : x
  2. Step 2: Convert to fraction form
    26,484.90/39,683.34 = 18,677.58/x
  3. Step 3: Cross multiply
    26,484.90x = 39,683.34 × 18,677.58
  4. Step 4: Simplify right side
    26,484.90x = 741,188,757.52
  5. Step 5: Solve for x
    x = 741,188,757.52/26,484.90
  6. Step 6: Final answer
    x = 27,985.33

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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.