Home / 28,040.04-38,694.24-15,464.52

Finding the Fourth Proportional to 28,040.04, 38,694.24 and 15,464.52

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Solution

The fourth proportional to 28,040.04, 38,694.24 and 15,464.52 is: 21,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.04 : 38,694.24 = 15,464.52 : x
  2. Step 2: Convert to fraction form
    28,040.04/38,694.24 = 15,464.52/x
  3. Step 3: Cross multiply
    28,040.04x = 38,694.24 × 15,464.52
  4. Step 4: Simplify right side
    28,040.04x = 598,387,848.36
  5. Step 5: Solve for x
    x = 598,387,848.36/28,040.04
  6. Step 6: Final answer
    x = 21,340.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.