Home / 40,786.14-56,225.29-28,828.38

Finding the Fourth Proportional to 40,786.14, 56,225.29 and 28,828.38

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Solution

The fourth proportional to 40,786.14, 56,225.29 and 28,828.38 is: 39,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.14 : 56,225.29 = 28,828.38 : x
  2. Step 2: Convert to fraction form
    40,786.14/56,225.29 = 28,828.38/x
  3. Step 3: Cross multiply
    40,786.14x = 56,225.29 × 28,828.38
  4. Step 4: Simplify right side
    40,786.14x = 1,620,884,025.73
  5. Step 5: Solve for x
    x = 1,620,884,025.73/40,786.14
  6. Step 6: Final answer
    x = 39,741.05

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Double scale
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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.