Home / 27,463.56-37,890.78-15,525.72

Finding the Fourth Proportional to 27,463.56, 37,890.78 and 15,525.72

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Solution

The fourth proportional to 27,463.56, 37,890.78 and 15,525.72 is: 21,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,463.56 : 37,890.78 = 15,525.72 : x
  2. Step 2: Convert to fraction form
    27,463.56/37,890.78 = 15,525.72/x
  3. Step 3: Cross multiply
    27,463.56x = 37,890.78 × 15,525.72
  4. Step 4: Simplify right side
    27,463.56x = 588,281,640.86
  5. Step 5: Solve for x
    x = 588,281,640.86/27,463.56
  6. Step 6: Final answer
    x = 21,420.44

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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.