Home / 27,929.20-41,880.63-10,147.32

Finding the Fourth Proportional to 27,929.20, 41,880.63 and 10,147.32

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Solution

The fourth proportional to 27,929.20, 41,880.63 and 10,147.32 is: 15,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.20 : 41,880.63 = 10,147.32 : x
  2. Step 2: Convert to fraction form
    27,929.20/41,880.63 = 10,147.32/x
  3. Step 3: Cross multiply
    27,929.20x = 41,880.63 × 10,147.32
  4. Step 4: Simplify right side
    27,929.20x = 424,976,154.41
  5. Step 5: Solve for x
    x = 424,976,154.41/27,929.20
  6. Step 6: Final answer
    x = 15,216.20

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1.5x scale

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.