Home / 28,963.22-39,959.93-16,214.51

Finding the Fourth Proportional to 28,963.22, 39,959.93 and 16,214.51

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Solution

The fourth proportional to 28,963.22, 39,959.93 and 16,214.51 is: 22,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.22 : 39,959.93 = 16,214.51 : x
  2. Step 2: Convert to fraction form
    28,963.22/39,959.93 = 16,214.51/x
  3. Step 3: Cross multiply
    28,963.22x = 39,959.93 × 16,214.51
  4. Step 4: Simplify right side
    28,963.22x = 647,930,825.02
  5. Step 5: Solve for x
    x = 647,930,825.02/28,963.22
  6. Step 6: Final answer
    x = 22,370.82

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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.