Home / 28,596.78-39,463.53-16,021.62

Finding the Fourth Proportional to 28,596.78, 39,463.53 and 16,021.62

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Solution

The fourth proportional to 28,596.78, 39,463.53 and 16,021.62 is: 22,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.78 : 39,463.53 = 16,021.62 : x
  2. Step 2: Convert to fraction form
    28,596.78/39,463.53 = 16,021.62/x
  3. Step 3: Cross multiply
    28,596.78x = 39,463.53 × 16,021.62
  4. Step 4: Simplify right side
    28,596.78x = 632,269,681.52
  5. Step 5: Solve for x
    x = 632,269,681.52/28,596.78
  6. Step 6: Final answer
    x = 22,109.82

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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.