Home / 26,774.31-36,931.23-21,100.26

Finding the Fourth Proportional to 26,774.31, 36,931.23 and 21,100.26

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Solution

The fourth proportional to 26,774.31, 36,931.23 and 21,100.26 is: 29,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,774.31 : 36,931.23 = 21,100.26 : x
  2. Step 2: Convert to fraction form
    26,774.31/36,931.23 = 21,100.26/x
  3. Step 3: Cross multiply
    26,774.31x = 36,931.23 × 21,100.26
  4. Step 4: Simplify right side
    26,774.31x = 779,258,555.12
  5. Step 5: Solve for x
    x = 779,258,555.12/26,774.31
  6. Step 6: Final answer
    x = 29,104.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.