Home / 28,161.51-38,861.34-16,060.22

Finding the Fourth Proportional to 28,161.51, 38,861.34 and 16,060.22

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Solution

The fourth proportional to 28,161.51, 38,861.34 and 16,060.22 is: 22,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.51 : 38,861.34 = 16,060.22 : x
  2. Step 2: Convert to fraction form
    28,161.51/38,861.34 = 16,060.22/x
  3. Step 3: Cross multiply
    28,161.51x = 38,861.34 × 16,060.22
  4. Step 4: Simplify right side
    28,161.51x = 624,121,475.59
  5. Step 5: Solve for x
    x = 624,121,475.59/28,161.51
  6. Step 6: Final answer
    x = 22,162.22

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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.