Home / 28,085.50-38,762.94-16,755.70

Finding the Fourth Proportional to 28,085.50, 38,762.94 and 16,755.70

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Solution

The fourth proportional to 28,085.50, 38,762.94 and 16,755.70 is: 23,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.50 : 38,762.94 = 16,755.70 : x
  2. Step 2: Convert to fraction form
    28,085.50/38,762.94 = 16,755.70/x
  3. Step 3: Cross multiply
    28,085.50x = 38,762.94 × 16,755.70
  4. Step 4: Simplify right side
    28,085.50x = 649,500,193.76
  5. Step 5: Solve for x
    x = 649,500,193.76/28,085.50
  6. Step 6: Final answer
    x = 23,125.82

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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.