Home / 28,461.52-39,270.81-16,518.48

Finding the Fourth Proportional to 28,461.52, 39,270.81 and 16,518.48

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Solution

The fourth proportional to 28,461.52, 39,270.81 and 16,518.48 is: 22,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.52 : 39,270.81 = 16,518.48 : x
  2. Step 2: Convert to fraction form
    28,461.52/39,270.81 = 16,518.48/x
  3. Step 3: Cross multiply
    28,461.52x = 39,270.81 × 16,518.48
  4. Step 4: Simplify right side
    28,461.52x = 648,694,089.57
  5. Step 5: Solve for x
    x = 648,694,089.57/28,461.52
  6. Step 6: Final answer
    x = 22,791.97

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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.