Home / 28,900.58-43,347.72-19,600.34

Finding the Fourth Proportional to 28,900.58, 43,347.72 and 19,600.34

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Solution

The fourth proportional to 28,900.58, 43,347.72 and 19,600.34 is: 29,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.58 : 43,347.72 = 19,600.34 : x
  2. Step 2: Convert to fraction form
    28,900.58/43,347.72 = 19,600.34/x
  3. Step 3: Cross multiply
    28,900.58x = 43,347.72 × 19,600.34
  4. Step 4: Simplify right side
    28,900.58x = 849,630,050.22
  5. Step 5: Solve for x
    x = 849,630,050.22/28,900.58
  6. Step 6: Final answer
    x = 29,398.37

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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.