Home / 26,853.06-40,276.50-7,133.20

Finding the Fourth Proportional to 26,853.06, 40,276.50 and 7,133.20

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Solution

The fourth proportional to 26,853.06, 40,276.50 and 7,133.20 is: 10,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.06 : 40,276.50 = 7,133.20 : x
  2. Step 2: Convert to fraction form
    26,853.06/40,276.50 = 7,133.20/x
  3. Step 3: Cross multiply
    26,853.06x = 40,276.50 × 7,133.20
  4. Step 4: Simplify right side
    26,853.06x = 287,300,329.80
  5. Step 5: Solve for x
    x = 287,300,329.80/26,853.06
  6. Step 6: Final answer
    x = 10,698.98

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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.