Home / 19,288.21-26,629.35-12,585.46

Finding the Fourth Proportional to 19,288.21, 26,629.35 and 12,585.46

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Solution

The fourth proportional to 19,288.21, 26,629.35 and 12,585.46 is: 17,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.21 : 26,629.35 = 12,585.46 : x
  2. Step 2: Convert to fraction form
    19,288.21/26,629.35 = 12,585.46/x
  3. Step 3: Cross multiply
    19,288.21x = 26,629.35 × 12,585.46
  4. Step 4: Simplify right side
    19,288.21x = 335,142,619.25
  5. Step 5: Solve for x
    x = 335,142,619.25/19,288.21
  6. Step 6: Final answer
    x = 17,375.52

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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.