Home / 26,789.12-40,180.56-7,069.28

Finding the Fourth Proportional to 26,789.12, 40,180.56 and 7,069.28

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Solution

The fourth proportional to 26,789.12, 40,180.56 and 7,069.28 is: 10,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.12 : 40,180.56 = 7,069.28 : x
  2. Step 2: Convert to fraction form
    26,789.12/40,180.56 = 7,069.28/x
  3. Step 3: Cross multiply
    26,789.12x = 40,180.56 × 7,069.28
  4. Step 4: Simplify right side
    26,789.12x = 284,047,629.20
  5. Step 5: Solve for x
    x = 284,047,629.20/26,789.12
  6. Step 6: Final answer
    x = 10,603.10

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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.