Home / 28,705.31-43,041.00-10,937.35

Finding the Fourth Proportional to 28,705.31, 43,041.00 and 10,937.35

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Solution

The fourth proportional to 28,705.31, 43,041.00 and 10,937.35 is: 16,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.31 : 43,041.00 = 10,937.35 : x
  2. Step 2: Convert to fraction form
    28,705.31/43,041.00 = 10,937.35/x
  3. Step 3: Cross multiply
    28,705.31x = 43,041.00 × 10,937.35
  4. Step 4: Simplify right side
    28,705.31x = 470,754,576.17
  5. Step 5: Solve for x
    x = 470,754,576.17/28,705.31
  6. Step 6: Final answer
    x = 16,399.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.