Home / 28,352.37-39,123.72-16,416.52

Finding the Fourth Proportional to 28,352.37, 39,123.72 and 16,416.52

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Solution

The fourth proportional to 28,352.37, 39,123.72 and 16,416.52 is: 22,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.37 : 39,123.72 = 16,416.52 : x
  2. Step 2: Convert to fraction form
    28,352.37/39,123.72 = 16,416.52/x
  3. Step 3: Cross multiply
    28,352.37x = 39,123.72 × 16,416.52
  4. Step 4: Simplify right side
    28,352.37x = 642,275,331.85
  5. Step 5: Solve for x
    x = 642,275,331.85/28,352.37
  6. Step 6: Final answer
    x = 22,653.32

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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.