Home / 26,845.64-40,275.72-19,103.60

Finding the Fourth Proportional to 26,845.64, 40,275.72 and 19,103.60

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Solution

The fourth proportional to 26,845.64, 40,275.72 and 19,103.60 is: 28,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.64 : 40,275.72 = 19,103.60 : x
  2. Step 2: Convert to fraction form
    26,845.64/40,275.72 = 19,103.60/x
  3. Step 3: Cross multiply
    26,845.64x = 40,275.72 × 19,103.60
  4. Step 4: Simplify right side
    26,845.64x = 769,411,244.59
  5. Step 5: Solve for x
    x = 769,411,244.59/26,845.64
  6. Step 6: Final answer
    x = 28,660.57

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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.