Home / 27,043.84-37,320.77-15,105.78

Finding the Fourth Proportional to 27,043.84, 37,320.77 and 15,105.78

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Solution

The fourth proportional to 27,043.84, 37,320.77 and 15,105.78 is: 20,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.84 : 37,320.77 = 15,105.78 : x
  2. Step 2: Convert to fraction form
    27,043.84/37,320.77 = 15,105.78/x
  3. Step 3: Cross multiply
    27,043.84x = 37,320.77 × 15,105.78
  4. Step 4: Simplify right side
    27,043.84x = 563,759,378.82
  5. Step 5: Solve for x
    x = 563,759,378.82/27,043.84
  6. Step 6: Final answer
    x = 20,846.13

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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.