Home / 26,221.90-39,300.02-20,653.26

Finding the Fourth Proportional to 26,221.90, 39,300.02 and 20,653.26

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Solution

The fourth proportional to 26,221.90, 39,300.02 and 20,653.26 is: 30,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.90 : 39,300.02 = 20,653.26 : x
  2. Step 2: Convert to fraction form
    26,221.90/39,300.02 = 20,653.26/x
  3. Step 3: Cross multiply
    26,221.90x = 39,300.02 × 20,653.26
  4. Step 4: Simplify right side
    26,221.90x = 811,673,531.07
  5. Step 5: Solve for x
    x = 811,673,531.07/26,221.90
  6. Step 6: Final answer
    x = 30,954.03

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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.