Home / 26,786.28-40,147.02-19,339.14

Finding the Fourth Proportional to 26,786.28, 40,147.02 and 19,339.14

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Solution

The fourth proportional to 26,786.28, 40,147.02 and 19,339.14 is: 28,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.28 : 40,147.02 = 19,339.14 : x
  2. Step 2: Convert to fraction form
    26,786.28/40,147.02 = 19,339.14/x
  3. Step 3: Cross multiply
    26,786.28x = 40,147.02 × 19,339.14
  4. Step 4: Simplify right side
    26,786.28x = 776,408,840.36
  5. Step 5: Solve for x
    x = 776,408,840.36/26,786.28
  6. Step 6: Final answer
    x = 28,985.32

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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.