Home / 26,854.81-40,279.37-7,135.36

Finding the Fourth Proportional to 26,854.81, 40,279.37 and 7,135.36

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Solution

The fourth proportional to 26,854.81, 40,279.37 and 7,135.36 is: 10,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.81 : 40,279.37 = 7,135.36 : x
  2. Step 2: Convert to fraction form
    26,854.81/40,279.37 = 7,135.36/x
  3. Step 3: Cross multiply
    26,854.81x = 40,279.37 × 7,135.36
  4. Step 4: Simplify right side
    26,854.81x = 287,407,621.96
  5. Step 5: Solve for x
    x = 287,407,621.96/26,854.81
  6. Step 6: Final answer
    x = 10,702.28

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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.