Home / 27,956.12-38,580.78-16,019.48

Finding the Fourth Proportional to 27,956.12, 38,580.78 and 16,019.48

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Solution

The fourth proportional to 27,956.12, 38,580.78 and 16,019.48 is: 22,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.12 : 38,580.78 = 16,019.48 : x
  2. Step 2: Convert to fraction form
    27,956.12/38,580.78 = 16,019.48/x
  3. Step 3: Cross multiply
    27,956.12x = 38,580.78 × 16,019.48
  4. Step 4: Simplify right side
    27,956.12x = 618,044,130.05
  5. Step 5: Solve for x
    x = 618,044,130.05/27,956.12
  6. Step 6: Final answer
    x = 22,107.65

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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.