Home / 28,730.57-43,087.49-11,196.23

Finding the Fourth Proportional to 28,730.57, 43,087.49 and 11,196.23

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Solution

The fourth proportional to 28,730.57, 43,087.49 and 11,196.23 is: 16,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.57 : 43,087.49 = 11,196.23 : x
  2. Step 2: Convert to fraction form
    28,730.57/43,087.49 = 11,196.23/x
  3. Step 3: Cross multiply
    28,730.57x = 43,087.49 × 11,196.23
  4. Step 4: Simplify right side
    28,730.57x = 482,417,392.18
  5. Step 5: Solve for x
    x = 482,417,392.18/28,730.57
  6. Step 6: Final answer
    x = 16,791.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.