Home / 28,028.16-42,036.96-10,494.24

Finding the Fourth Proportional to 28,028.16, 42,036.96 and 10,494.24

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Solution

The fourth proportional to 28,028.16, 42,036.96 and 10,494.24 is: 15,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.16 : 42,036.96 = 10,494.24 : x
  2. Step 2: Convert to fraction form
    28,028.16/42,036.96 = 10,494.24/x
  3. Step 3: Cross multiply
    28,028.16x = 42,036.96 × 10,494.24
  4. Step 4: Simplify right side
    28,028.16x = 441,145,947.11
  5. Step 5: Solve for x
    x = 441,145,947.11/28,028.16
  6. Step 6: Final answer
    x = 15,739.38

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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.