Home / 28,768.51-43,145.88-10,995.49

Finding the Fourth Proportional to 28,768.51, 43,145.88 and 10,995.49

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Solution

The fourth proportional to 28,768.51, 43,145.88 and 10,995.49 is: 16,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.51 : 43,145.88 = 10,995.49 : x
  2. Step 2: Convert to fraction form
    28,768.51/43,145.88 = 10,995.49/x
  3. Step 3: Cross multiply
    28,768.51x = 43,145.88 × 10,995.49
  4. Step 4: Simplify right side
    28,768.51x = 474,410,092.08
  5. Step 5: Solve for x
    x = 474,410,092.08/28,768.51
  6. Step 6: Final answer
    x = 16,490.60

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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.