Home / 27,156.36-37,475.44-15,219.68

Finding the Fourth Proportional to 27,156.36, 37,475.44 and 15,219.68

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Solution

The fourth proportional to 27,156.36, 37,475.44 and 15,219.68 is: 21,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.36 : 37,475.44 = 15,219.68 : x
  2. Step 2: Convert to fraction form
    27,156.36/37,475.44 = 15,219.68/x
  3. Step 3: Cross multiply
    27,156.36x = 37,475.44 × 15,219.68
  4. Step 4: Simplify right side
    27,156.36x = 570,364,204.66
  5. Step 5: Solve for x
    x = 570,364,204.66/27,156.36
  6. Step 6: Final answer
    x = 21,002.97

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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.