Home / 28,443.24-39,250.86-16,507.56

Finding the Fourth Proportional to 28,443.24, 39,250.86 and 16,507.56

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Solution

The fourth proportional to 28,443.24, 39,250.86 and 16,507.56 is: 22,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.24 : 39,250.86 = 16,507.56 : x
  2. Step 2: Convert to fraction form
    28,443.24/39,250.86 = 16,507.56/x
  3. Step 3: Cross multiply
    28,443.24x = 39,250.86 × 16,507.56
  4. Step 4: Simplify right side
    28,443.24x = 647,935,926.50
  5. Step 5: Solve for x
    x = 647,935,926.50/28,443.24
  6. Step 6: Final answer
    x = 22,779.96

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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.