Home / 28,586.88-39,450.24-16,011.36

Finding the Fourth Proportional to 28,586.88, 39,450.24 and 16,011.36

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Solution

The fourth proportional to 28,586.88, 39,450.24 and 16,011.36 is: 22,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.88 : 39,450.24 = 16,011.36 : x
  2. Step 2: Convert to fraction form
    28,586.88/39,450.24 = 16,011.36/x
  3. Step 3: Cross multiply
    28,586.88x = 39,450.24 × 16,011.36
  4. Step 4: Simplify right side
    28,586.88x = 631,651,994.73
  5. Step 5: Solve for x
    x = 631,651,994.73/28,586.88
  6. Step 6: Final answer
    x = 22,095.87

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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.