Home / 28,796.56-39,737.72-16,220.52

Finding the Fourth Proportional to 28,796.56, 39,737.72 and 16,220.52

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Solution

The fourth proportional to 28,796.56, 39,737.72 and 16,220.52 is: 22,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.56 : 39,737.72 = 16,220.52 : x
  2. Step 2: Convert to fraction form
    28,796.56/39,737.72 = 16,220.52/x
  3. Step 3: Cross multiply
    28,796.56x = 39,737.72 × 16,220.52
  4. Step 4: Simplify right side
    28,796.56x = 644,566,482.01
  5. Step 5: Solve for x
    x = 644,566,482.01/28,796.56
  6. Step 6: Final answer
    x = 22,383.45

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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.