Home / 28,822.96-39,775.62-16,247.62

Finding the Fourth Proportional to 28,822.96, 39,775.62 and 16,247.62

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Solution

The fourth proportional to 28,822.96, 39,775.62 and 16,247.62 is: 22,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.96 : 39,775.62 = 16,247.62 : x
  2. Step 2: Convert to fraction form
    28,822.96/39,775.62 = 16,247.62/x
  3. Step 3: Cross multiply
    28,822.96x = 39,775.62 × 16,247.62
  4. Step 4: Simplify right side
    28,822.96x = 646,259,159.02
  5. Step 5: Solve for x
    x = 646,259,159.02/28,822.96
  6. Step 6: Final answer
    x = 22,421.68

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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.