Home / 27,265.65-40,890.56-10,621.95

Finding the Fourth Proportional to 27,265.65, 40,890.56 and 10,621.95

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Solution

The fourth proportional to 27,265.65, 40,890.56 and 10,621.95 is: 15,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.65 : 40,890.56 = 10,621.95 : x
  2. Step 2: Convert to fraction form
    27,265.65/40,890.56 = 10,621.95/x
  3. Step 3: Cross multiply
    27,265.65x = 40,890.56 × 10,621.95
  4. Step 4: Simplify right side
    27,265.65x = 434,337,430.68
  5. Step 5: Solve for x
    x = 434,337,430.68/27,265.65
  6. Step 6: Final answer
    x = 15,929.84

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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.