Home / 28,833.36-39,789.27-16,087.74

Finding the Fourth Proportional to 28,833.36, 39,789.27 and 16,087.74

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Solution

The fourth proportional to 28,833.36, 39,789.27 and 16,087.74 is: 22,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.36 : 39,789.27 = 16,087.74 : x
  2. Step 2: Convert to fraction form
    28,833.36/39,789.27 = 16,087.74/x
  3. Step 3: Cross multiply
    28,833.36x = 39,789.27 × 16,087.74
  4. Step 4: Simplify right side
    28,833.36x = 640,119,430.55
  5. Step 5: Solve for x
    x = 640,119,430.55/28,833.36
  6. Step 6: Final answer
    x = 22,200.65

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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.