Home / 28,374.17-42,495.62-27,390.02

Finding the Fourth Proportional to 28,374.17, 42,495.62 and 27,390.02

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Solution

The fourth proportional to 28,374.17, 42,495.62 and 27,390.02 is: 41,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.17 : 42,495.62 = 27,390.02 : x
  2. Step 2: Convert to fraction form
    28,374.17/42,495.62 = 27,390.02/x
  3. Step 3: Cross multiply
    28,374.17x = 42,495.62 × 27,390.02
  4. Step 4: Simplify right side
    28,374.17x = 1,163,955,532.28
  5. Step 5: Solve for x
    x = 1,163,955,532.28/28,374.17
  6. Step 6: Final answer
    x = 41,021.67

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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.