Home / 26,855.93-40,281.06-7,136.48

Finding the Fourth Proportional to 26,855.93, 40,281.06 and 7,136.48

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Solution

The fourth proportional to 26,855.93, 40,281.06 and 7,136.48 is: 10,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.93 : 40,281.06 = 7,136.48 : x
  2. Step 2: Convert to fraction form
    26,855.93/40,281.06 = 7,136.48/x
  3. Step 3: Cross multiply
    26,855.93x = 40,281.06 × 7,136.48
  4. Step 4: Simplify right side
    26,855.93x = 287,464,979.07
  5. Step 5: Solve for x
    x = 287,464,979.07/26,855.93
  6. Step 6: Final answer
    x = 10,703.97

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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.