Home / 27,043.47-37,320.75-15,108.12

Finding the Fourth Proportional to 27,043.47, 37,320.75 and 15,108.12

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Solution

The fourth proportional to 27,043.47, 37,320.75 and 15,108.12 is: 20,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.47 : 37,320.75 = 15,108.12 : x
  2. Step 2: Convert to fraction form
    27,043.47/37,320.75 = 15,108.12/x
  3. Step 3: Cross multiply
    27,043.47x = 37,320.75 × 15,108.12
  4. Step 4: Simplify right side
    27,043.47x = 563,846,369.49
  5. Step 5: Solve for x
    x = 563,846,369.49/27,043.47
  6. Step 6: Final answer
    x = 20,849.63

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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.