Home / 28,177.74-38,879.71-16,077.96

Finding the Fourth Proportional to 28,177.74, 38,879.71 and 16,077.96

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Solution

The fourth proportional to 28,177.74, 38,879.71 and 16,077.96 is: 22,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.74 : 38,879.71 = 16,077.96 : x
  2. Step 2: Convert to fraction form
    28,177.74/38,879.71 = 16,077.96/x
  3. Step 3: Cross multiply
    28,177.74x = 38,879.71 × 16,077.96
  4. Step 4: Simplify right side
    28,177.74x = 625,106,422.19
  5. Step 5: Solve for x
    x = 625,106,422.19/28,177.74
  6. Step 6: Final answer
    x = 22,184.41

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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.