Home / 27,922.79-38,533.58-15,348.35

Finding the Fourth Proportional to 27,922.79, 38,533.58 and 15,348.35

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Solution

The fourth proportional to 27,922.79, 38,533.58 and 15,348.35 is: 21,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.79 : 38,533.58 = 15,348.35 : x
  2. Step 2: Convert to fraction form
    27,922.79/38,533.58 = 15,348.35/x
  3. Step 3: Cross multiply
    27,922.79x = 38,533.58 × 15,348.35
  4. Step 4: Simplify right side
    27,922.79x = 591,426,872.59
  5. Step 5: Solve for x
    x = 591,426,872.59/27,922.79
  6. Step 6: Final answer
    x = 21,180.79

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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.