Home / 28,963.16-39,943.50-19,544.48

Finding the Fourth Proportional to 28,963.16, 39,943.50 and 19,544.48

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Solution

The fourth proportional to 28,963.16, 39,943.50 and 19,544.48 is: 26,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.16 : 39,943.50 = 19,544.48 : x
  2. Step 2: Convert to fraction form
    28,963.16/39,943.50 = 19,544.48/x
  3. Step 3: Cross multiply
    28,963.16x = 39,943.50 × 19,544.48
  4. Step 4: Simplify right side
    28,963.16x = 780,674,936.88
  5. Step 5: Solve for x
    x = 780,674,936.88/28,963.16
  6. Step 6: Final answer
    x = 26,954.07

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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.