Home / 39,015.24-53,817.30-28,796.10

Finding the Fourth Proportional to 39,015.24, 53,817.30 and 28,796.10

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Solution

The fourth proportional to 39,015.24, 53,817.30 and 28,796.10 is: 39,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.24 : 53,817.30 = 28,796.10 : x
  2. Step 2: Convert to fraction form
    39,015.24/53,817.30 = 28,796.10/x
  3. Step 3: Cross multiply
    39,015.24x = 53,817.30 × 28,796.10
  4. Step 4: Simplify right side
    39,015.24x = 1,549,728,352.53
  5. Step 5: Solve for x
    x = 1,549,728,352.53/39,015.24
  6. Step 6: Final answer
    x = 39,721.10

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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.