Home / 28,042.69-38,701.64-15,467.44

Finding the Fourth Proportional to 28,042.69, 38,701.64 and 15,467.44

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Solution

The fourth proportional to 28,042.69, 38,701.64 and 15,467.44 is: 21,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.69 : 38,701.64 = 15,467.44 : x
  2. Step 2: Convert to fraction form
    28,042.69/38,701.64 = 15,467.44/x
  3. Step 3: Cross multiply
    28,042.69x = 38,701.64 × 15,467.44
  4. Step 4: Simplify right side
    28,042.69x = 598,615,236.52
  5. Step 5: Solve for x
    x = 598,615,236.52/28,042.69
  6. Step 6: Final answer
    x = 21,346.57

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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.