Home / 28,133.19-38,828.50-16,194.26

Finding the Fourth Proportional to 28,133.19, 38,828.50 and 16,194.26

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Solution

The fourth proportional to 28,133.19, 38,828.50 and 16,194.26 is: 22,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.19 : 38,828.50 = 16,194.26 : x
  2. Step 2: Convert to fraction form
    28,133.19/38,828.50 = 16,194.26/x
  3. Step 3: Cross multiply
    28,133.19x = 38,828.50 × 16,194.26
  4. Step 4: Simplify right side
    28,133.19x = 628,798,881.00
  5. Step 5: Solve for x
    x = 628,798,881.00/28,133.19
  6. Step 6: Final answer
    x = 22,350.78

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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.