Home / 28,481.64-42,880.47-22,275.24

Finding the Fourth Proportional to 28,481.64, 42,880.47 and 22,275.24

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Solution

The fourth proportional to 28,481.64, 42,880.47 and 22,275.24 is: 33,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.64 : 42,880.47 = 22,275.24 : x
  2. Step 2: Convert to fraction form
    28,481.64/42,880.47 = 22,275.24/x
  3. Step 3: Cross multiply
    28,481.64x = 42,880.47 × 22,275.24
  4. Step 4: Simplify right side
    28,481.64x = 955,172,760.56
  5. Step 5: Solve for x
    x = 955,172,760.56/28,481.64
  6. Step 6: Final answer
    x = 33,536.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.