Home / 28,111.73-38,795.63-16,176.85

Finding the Fourth Proportional to 28,111.73, 38,795.63 and 16,176.85

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Solution

The fourth proportional to 28,111.73, 38,795.63 and 16,176.85 is: 22,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.73 : 38,795.63 = 16,176.85 : x
  2. Step 2: Convert to fraction form
    28,111.73/38,795.63 = 16,176.85/x
  3. Step 3: Cross multiply
    28,111.73x = 38,795.63 × 16,176.85
  4. Step 4: Simplify right side
    28,111.73x = 627,590,909.29
  5. Step 5: Solve for x
    x = 627,590,909.29/28,111.73
  6. Step 6: Final answer
    x = 22,324.88

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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.