Home / 26,555.16-39,824.82-9,021

Finding the Fourth Proportional to 26,555.16, 39,824.82 and 9,021

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Solution

The fourth proportional to 26,555.16, 39,824.82 and 9,021 is: 13,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.16 : 39,824.82 = 9,021 : x
  2. Step 2: Convert to fraction form
    26,555.16/39,824.82 = 9,021/x
  3. Step 3: Cross multiply
    26,555.16x = 39,824.82 × 9,021
  4. Step 4: Simplify right side
    26,555.16x = 359,259,701.22
  5. Step 5: Solve for x
    x = 359,259,701.22/26,555.16
  6. Step 6: Final answer
    x = 13,528.81

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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.