Home / 28,612.44-39,468.87-22,953.51

Finding the Fourth Proportional to 28,612.44, 39,468.87 and 22,953.51

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Solution

The fourth proportional to 28,612.44, 39,468.87 and 22,953.51 is: 31,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.44 : 39,468.87 = 22,953.51 : x
  2. Step 2: Convert to fraction form
    28,612.44/39,468.87 = 22,953.51/x
  3. Step 3: Cross multiply
    28,612.44x = 39,468.87 × 22,953.51
  4. Step 4: Simplify right side
    28,612.44x = 905,949,102.23
  5. Step 5: Solve for x
    x = 905,949,102.23/28,612.44
  6. Step 6: Final answer
    x = 31,662.77

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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.