Home / 26,815.52-40,224.36-12,768.32

Finding the Fourth Proportional to 26,815.52, 40,224.36 and 12,768.32

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Solution

The fourth proportional to 26,815.52, 40,224.36 and 12,768.32 is: 19,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.52 : 40,224.36 = 12,768.32 : x
  2. Step 2: Convert to fraction form
    26,815.52/40,224.36 = 12,768.32/x
  3. Step 3: Cross multiply
    26,815.52x = 40,224.36 × 12,768.32
  4. Step 4: Simplify right side
    26,815.52x = 513,597,500.28
  5. Step 5: Solve for x
    x = 513,597,500.28/26,815.52
  6. Step 6: Final answer
    x = 19,152.99

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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.