Home / 27,165.64-37,488.58-15,228.98

Finding the Fourth Proportional to 27,165.64, 37,488.58 and 15,228.98

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Solution

The fourth proportional to 27,165.64, 37,488.58 and 15,228.98 is: 21,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.64 : 37,488.58 = 15,228.98 : x
  2. Step 2: Convert to fraction form
    27,165.64/37,488.58 = 15,228.98/x
  3. Step 3: Cross multiply
    27,165.64x = 37,488.58 × 15,228.98
  4. Step 4: Simplify right side
    27,165.64x = 570,912,738.60
  5. Step 5: Solve for x
    x = 570,912,738.60/27,165.64
  6. Step 6: Final answer
    x = 21,015.99

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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.