Home / 28,798.08-39,740.48-16,222.08

Finding the Fourth Proportional to 28,798.08, 39,740.48 and 16,222.08

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Solution

The fourth proportional to 28,798.08, 39,740.48 and 16,222.08 is: 22,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.08 : 39,740.48 = 16,222.08 : x
  2. Step 2: Convert to fraction form
    28,798.08/39,740.48 = 16,222.08/x
  3. Step 3: Cross multiply
    28,798.08x = 39,740.48 × 16,222.08
  4. Step 4: Simplify right side
    28,798.08x = 644,673,245.80
  5. Step 5: Solve for x
    x = 644,673,245.80/28,798.08
  6. Step 6: Final answer
    x = 22,385.98

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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.