Home / 27,356.52-37,715.43-20,521.48

Finding the Fourth Proportional to 27,356.52, 37,715.43 and 20,521.48

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Solution

The fourth proportional to 27,356.52, 37,715.43 and 20,521.48 is: 28,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.52 : 37,715.43 = 20,521.48 : x
  2. Step 2: Convert to fraction form
    27,356.52/37,715.43 = 20,521.48/x
  3. Step 3: Cross multiply
    27,356.52x = 37,715.43 × 20,521.48
  4. Step 4: Simplify right side
    27,356.52x = 773,976,442.44
  5. Step 5: Solve for x
    x = 773,976,442.44/27,356.52
  6. Step 6: Final answer
    x = 28,292.21

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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.