Home / 28,395.54-39,173.81-16,454.52

Finding the Fourth Proportional to 28,395.54, 39,173.81 and 16,454.52

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Solution

The fourth proportional to 28,395.54, 39,173.81 and 16,454.52 is: 22,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.54 : 39,173.81 = 16,454.52 : x
  2. Step 2: Convert to fraction form
    28,395.54/39,173.81 = 16,454.52/x
  3. Step 3: Cross multiply
    28,395.54x = 39,173.81 × 16,454.52
  4. Step 4: Simplify right side
    28,395.54x = 644,586,157.85
  5. Step 5: Solve for x
    x = 644,586,157.85/28,395.54
  6. Step 6: Final answer
    x = 22,700.26

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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.