Home / 26,853.94-40,271.19-12,813.40

Finding the Fourth Proportional to 26,853.94, 40,271.19 and 12,813.40

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Solution

The fourth proportional to 26,853.94, 40,271.19 and 12,813.40 is: 19,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.94 : 40,271.19 = 12,813.40 : x
  2. Step 2: Convert to fraction form
    26,853.94/40,271.19 = 12,813.40/x
  3. Step 3: Cross multiply
    26,853.94x = 40,271.19 × 12,813.40
  4. Step 4: Simplify right side
    26,853.94x = 516,010,940.31
  5. Step 5: Solve for x
    x = 516,010,940.31/26,853.94
  6. Step 6: Final answer
    x = 19,215.46

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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.