Home / 28,700.82-43,042.86-11,166.48

Finding the Fourth Proportional to 28,700.82, 43,042.86 and 11,166.48

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Solution

The fourth proportional to 28,700.82, 43,042.86 and 11,166.48 is: 16,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.82 : 43,042.86 = 11,166.48 : x
  2. Step 2: Convert to fraction form
    28,700.82/43,042.86 = 11,166.48/x
  3. Step 3: Cross multiply
    28,700.82x = 43,042.86 × 11,166.48
  4. Step 4: Simplify right side
    28,700.82x = 480,637,235.33
  5. Step 5: Solve for x
    x = 480,637,235.33/28,700.82
  6. Step 6: Final answer
    x = 16,746.46

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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.