Home / 26,878.80-40,296.72-10,235.52

Finding the Fourth Proportional to 26,878.80, 40,296.72 and 10,235.52

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Solution

The fourth proportional to 26,878.80, 40,296.72 and 10,235.52 is: 15,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.80 : 40,296.72 = 10,235.52 : x
  2. Step 2: Convert to fraction form
    26,878.80/40,296.72 = 10,235.52/x
  3. Step 3: Cross multiply
    26,878.80x = 40,296.72 × 10,235.52
  4. Step 4: Simplify right side
    26,878.80x = 412,457,883.49
  5. Step 5: Solve for x
    x = 412,457,883.49/26,878.80
  6. Step 6: Final answer
    x = 15,345.10

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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.