Home / 28,664.88-39,557.54-16,089.63

Finding the Fourth Proportional to 28,664.88, 39,557.54 and 16,089.63

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Solution

The fourth proportional to 28,664.88, 39,557.54 and 16,089.63 is: 22,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.88 : 39,557.54 = 16,089.63 : x
  2. Step 2: Convert to fraction form
    28,664.88/39,557.54 = 16,089.63/x
  3. Step 3: Cross multiply
    28,664.88x = 39,557.54 × 16,089.63
  4. Step 4: Simplify right side
    28,664.88x = 636,466,182.31
  5. Step 5: Solve for x
    x = 636,466,182.31/28,664.88
  6. Step 6: Final answer
    x = 22,203.69

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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.