Home / 27,157.34-37,475.06-15,218.37

Finding the Fourth Proportional to 27,157.34, 37,475.06 and 15,218.37

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Solution

The fourth proportional to 27,157.34, 37,475.06 and 15,218.37 is: 21,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.34 : 37,475.06 = 15,218.37 : x
  2. Step 2: Convert to fraction form
    27,157.34/37,475.06 = 15,218.37/x
  3. Step 3: Cross multiply
    27,157.34x = 37,475.06 × 15,218.37
  4. Step 4: Simplify right side
    27,157.34x = 570,309,252.76
  5. Step 5: Solve for x
    x = 570,309,252.76/27,157.34
  6. Step 6: Final answer
    x = 21,000.19

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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.