Home / 28,825.38-39,779.62-16,250.12

Finding the Fourth Proportional to 28,825.38, 39,779.62 and 16,250.12

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Solution

The fourth proportional to 28,825.38, 39,779.62 and 16,250.12 is: 22,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.38 : 39,779.62 = 16,250.12 : x
  2. Step 2: Convert to fraction form
    28,825.38/39,779.62 = 16,250.12/x
  3. Step 3: Cross multiply
    28,825.38x = 39,779.62 × 16,250.12
  4. Step 4: Simplify right side
    28,825.38x = 646,423,598.55
  5. Step 5: Solve for x
    x = 646,423,598.55/28,825.38
  6. Step 6: Final answer
    x = 22,425.50

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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.