Home / 28,682.90-42,975.80-17,566.37

Finding the Fourth Proportional to 28,682.90, 42,975.80 and 17,566.37

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Solution

The fourth proportional to 28,682.90, 42,975.80 and 17,566.37 is: 26,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.90 : 42,975.80 = 17,566.37 : x
  2. Step 2: Convert to fraction form
    28,682.90/42,975.80 = 17,566.37/x
  3. Step 3: Cross multiply
    28,682.90x = 42,975.80 × 17,566.37
  4. Step 4: Simplify right side
    28,682.90x = 754,928,803.85
  5. Step 5: Solve for x
    x = 754,928,803.85/28,682.90
  6. Step 6: Final answer
    x = 26,319.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.