Home / 26,778.87-40,145.63-16,368.75

Finding the Fourth Proportional to 26,778.87, 40,145.63 and 16,368.75

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Solution

The fourth proportional to 26,778.87, 40,145.63 and 16,368.75 is: 24,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.87 : 40,145.63 = 16,368.75 : x
  2. Step 2: Convert to fraction form
    26,778.87/40,145.63 = 16,368.75/x
  3. Step 3: Cross multiply
    26,778.87x = 40,145.63 × 16,368.75
  4. Step 4: Simplify right side
    26,778.87x = 657,133,699.22
  5. Step 5: Solve for x
    x = 657,133,699.22/26,778.87
  6. Step 6: Final answer
    x = 24,539.26

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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.