Home / 28,050.29-38,712.82-16,113.60

Finding the Fourth Proportional to 28,050.29, 38,712.82 and 16,113.60

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Solution

The fourth proportional to 28,050.29, 38,712.82 and 16,113.60 is: 22,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.29 : 38,712.82 = 16,113.60 : x
  2. Step 2: Convert to fraction form
    28,050.29/38,712.82 = 16,113.60/x
  3. Step 3: Cross multiply
    28,050.29x = 38,712.82 × 16,113.60
  4. Step 4: Simplify right side
    28,050.29x = 623,802,771.32
  5. Step 5: Solve for x
    x = 623,802,771.32/28,050.29
  6. Step 6: Final answer
    x = 22,238.73

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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.