Home / 27,563.85-38,034.95-15,624.81

Finding the Fourth Proportional to 27,563.85, 38,034.95 and 15,624.81

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Solution

The fourth proportional to 27,563.85, 38,034.95 and 15,624.81 is: 21,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.85 : 38,034.95 = 15,624.81 : x
  2. Step 2: Convert to fraction form
    27,563.85/38,034.95 = 15,624.81/x
  3. Step 3: Cross multiply
    27,563.85x = 38,034.95 × 15,624.81
  4. Step 4: Simplify right side
    27,563.85x = 594,288,788.99
  5. Step 5: Solve for x
    x = 594,288,788.99/27,563.85
  6. Step 6: Final answer
    x = 21,560.44

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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.