Home / 26,864.80-40,292.40-16,986.40

Finding the Fourth Proportional to 26,864.80, 40,292.40 and 16,986.40

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Solution

The fourth proportional to 26,864.80, 40,292.40 and 16,986.40 is: 25,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.80 : 40,292.40 = 16,986.40 : x
  2. Step 2: Convert to fraction form
    26,864.80/40,292.40 = 16,986.40/x
  3. Step 3: Cross multiply
    26,864.80x = 40,292.40 × 16,986.40
  4. Step 4: Simplify right side
    26,864.80x = 684,422,823.36
  5. Step 5: Solve for x
    x = 684,422,823.36/26,864.80
  6. Step 6: Final answer
    x = 25,476.56

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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.