Home / 28,330.24-39,090.64-16,065.68

Finding the Fourth Proportional to 28,330.24, 39,090.64 and 16,065.68

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Solution

The fourth proportional to 28,330.24, 39,090.64 and 16,065.68 is: 22,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.24 : 39,090.64 = 16,065.68 : x
  2. Step 2: Convert to fraction form
    28,330.24/39,090.64 = 16,065.68/x
  3. Step 3: Cross multiply
    28,330.24x = 39,090.64 × 16,065.68
  4. Step 4: Simplify right side
    28,330.24x = 628,017,713.24
  5. Step 5: Solve for x
    x = 628,017,713.24/28,330.24
  6. Step 6: Final answer
    x = 22,167.75

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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.