Home / 26,849.64-40,281.72-19,107.60

Finding the Fourth Proportional to 26,849.64, 40,281.72 and 19,107.60

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Solution

The fourth proportional to 26,849.64, 40,281.72 and 19,107.60 is: 28,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.64 : 40,281.72 = 19,107.60 : x
  2. Step 2: Convert to fraction form
    26,849.64/40,281.72 = 19,107.60/x
  3. Step 3: Cross multiply
    26,849.64x = 40,281.72 × 19,107.60
  4. Step 4: Simplify right side
    26,849.64x = 769,686,993.07
  5. Step 5: Solve for x
    x = 769,686,993.07/26,849.64
  6. Step 6: Final answer
    x = 28,666.57

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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.