Home / 27,563.88-38,033.46-15,624.78

Finding the Fourth Proportional to 27,563.88, 38,033.46 and 15,624.78

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Solution

The fourth proportional to 27,563.88, 38,033.46 and 15,624.78 is: 21,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.88 : 38,033.46 = 15,624.78 : x
  2. Step 2: Convert to fraction form
    27,563.88/38,033.46 = 15,624.78/x
  3. Step 3: Cross multiply
    27,563.88x = 38,033.46 × 15,624.78
  4. Step 4: Simplify right side
    27,563.88x = 594,264,445.14
  5. Step 5: Solve for x
    x = 594,264,445.14/27,563.88
  6. Step 6: Final answer
    x = 21,559.54

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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.