Home / 28,685.86-39,583.29-16,110.34

Finding the Fourth Proportional to 28,685.86, 39,583.29 and 16,110.34

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Solution

The fourth proportional to 28,685.86, 39,583.29 and 16,110.34 is: 22,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.86 : 39,583.29 = 16,110.34 : x
  2. Step 2: Convert to fraction form
    28,685.86/39,583.29 = 16,110.34/x
  3. Step 3: Cross multiply
    28,685.86x = 39,583.29 × 16,110.34
  4. Step 4: Simplify right side
    28,685.86x = 637,700,260.22
  5. Step 5: Solve for x
    x = 637,700,260.22/28,685.86
  6. Step 6: Final answer
    x = 22,230.47

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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.