Home / 27,833.04-38,411.14-15,900.26

Finding the Fourth Proportional to 27,833.04, 38,411.14 and 15,900.26

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Solution

The fourth proportional to 27,833.04, 38,411.14 and 15,900.26 is: 21,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.04 : 38,411.14 = 15,900.26 : x
  2. Step 2: Convert to fraction form
    27,833.04/38,411.14 = 15,900.26/x
  3. Step 3: Cross multiply
    27,833.04x = 38,411.14 × 15,900.26
  4. Step 4: Simplify right side
    27,833.04x = 610,747,112.90
  5. Step 5: Solve for x
    x = 610,747,112.90/27,833.04
  6. Step 6: Final answer
    x = 21,943.24

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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.