Home / 19,356.64-26,739.20-18,637.44

Finding the Fourth Proportional to 19,356.64, 26,739.20 and 18,637.44

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Solution

The fourth proportional to 19,356.64, 26,739.20 and 18,637.44 is: 25,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.64 : 26,739.20 = 18,637.44 : x
  2. Step 2: Convert to fraction form
    19,356.64/26,739.20 = 18,637.44/x
  3. Step 3: Cross multiply
    19,356.64x = 26,739.20 × 18,637.44
  4. Step 4: Simplify right side
    19,356.64x = 498,350,235.65
  5. Step 5: Solve for x
    x = 498,350,235.65/19,356.64
  6. Step 6: Final answer
    x = 25,745.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.