Home / 27,144.82-40,779.60-19,266.90

Finding the Fourth Proportional to 27,144.82, 40,779.60 and 19,266.90

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Solution

The fourth proportional to 27,144.82, 40,779.60 and 19,266.90 is: 28,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.82 : 40,779.60 = 19,266.90 : x
  2. Step 2: Convert to fraction form
    27,144.82/40,779.60 = 19,266.90/x
  3. Step 3: Cross multiply
    27,144.82x = 40,779.60 × 19,266.90
  4. Step 4: Simplify right side
    27,144.82x = 785,696,475.24
  5. Step 5: Solve for x
    x = 785,696,475.24/27,144.82
  6. Step 6: Final answer
    x = 28,944.62

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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.