Home / 27,057.64-37,339.40-15,120.84

Finding the Fourth Proportional to 27,057.64, 37,339.40 and 15,120.84

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Solution

The fourth proportional to 27,057.64, 37,339.40 and 15,120.84 is: 20,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.64 : 37,339.40 = 15,120.84 : x
  2. Step 2: Convert to fraction form
    27,057.64/37,339.40 = 15,120.84/x
  3. Step 3: Cross multiply
    27,057.64x = 37,339.40 × 15,120.84
  4. Step 4: Simplify right side
    27,057.64x = 564,603,093.10
  5. Step 5: Solve for x
    x = 564,603,093.10/27,057.64
  6. Step 6: Final answer
    x = 20,866.68

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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.