Home / 28,798.56-39,741.84-16,227.36

Finding the Fourth Proportional to 28,798.56, 39,741.84 and 16,227.36

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Solution

The fourth proportional to 28,798.56, 39,741.84 and 16,227.36 is: 22,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.56 : 39,741.84 = 16,227.36 : x
  2. Step 2: Convert to fraction form
    28,798.56/39,741.84 = 16,227.36/x
  3. Step 3: Cross multiply
    28,798.56x = 39,741.84 × 16,227.36
  4. Step 4: Simplify right side
    28,798.56x = 644,905,144.74
  5. Step 5: Solve for x
    x = 644,905,144.74/28,798.56
  6. Step 6: Final answer
    x = 22,393.66

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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.