Home / 21,839.63-32,710.10-17,903.03

Finding the Fourth Proportional to 21,839.63, 32,710.10 and 17,903.03

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Solution

The fourth proportional to 21,839.63, 32,710.10 and 17,903.03 is: 26,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.63 : 32,710.10 = 17,903.03 : x
  2. Step 2: Convert to fraction form
    21,839.63/32,710.10 = 17,903.03/x
  3. Step 3: Cross multiply
    21,839.63x = 32,710.10 × 17,903.03
  4. Step 4: Simplify right side
    21,839.63x = 585,609,648.54
  5. Step 5: Solve for x
    x = 585,609,648.54/21,839.63
  6. Step 6: Final answer
    x = 26,814.09

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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.