Home / 26,266.10-39,496.35-21,989.30

Finding the Fourth Proportional to 26,266.10, 39,496.35 and 21,989.30

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Solution

The fourth proportional to 26,266.10, 39,496.35 and 21,989.30 is: 33,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.10 : 39,496.35 = 21,989.30 : x
  2. Step 2: Convert to fraction form
    26,266.10/39,496.35 = 21,989.30/x
  3. Step 3: Cross multiply
    26,266.10x = 39,496.35 × 21,989.30
  4. Step 4: Simplify right side
    26,266.10x = 868,497,089.06
  5. Step 5: Solve for x
    x = 868,497,089.06/26,266.10
  6. Step 6: Final answer
    x = 33,065.32

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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.