Home / 27,216.72-37,562.40-15,280.56

Finding the Fourth Proportional to 27,216.72, 37,562.40 and 15,280.56

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Solution

The fourth proportional to 27,216.72, 37,562.40 and 15,280.56 is: 21,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.72 : 37,562.40 = 15,280.56 : x
  2. Step 2: Convert to fraction form
    27,216.72/37,562.40 = 15,280.56/x
  3. Step 3: Cross multiply
    27,216.72x = 37,562.40 × 15,280.56
  4. Step 4: Simplify right side
    27,216.72x = 573,974,506.94
  5. Step 5: Solve for x
    x = 573,974,506.94/27,216.72
  6. Step 6: Final answer
    x = 21,089.04

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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.