Home / 27,342.24-37,731.84-15,406.74

Finding the Fourth Proportional to 27,342.24, 37,731.84 and 15,406.74

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Solution

The fourth proportional to 27,342.24, 37,731.84 and 15,406.74 is: 21,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.24 : 37,731.84 = 15,406.74 : x
  2. Step 2: Convert to fraction form
    27,342.24/37,731.84 = 15,406.74/x
  3. Step 3: Cross multiply
    27,342.24x = 37,731.84 × 15,406.74
  4. Step 4: Simplify right side
    27,342.24x = 581,324,648.60
  5. Step 5: Solve for x
    x = 581,324,648.60/27,342.24
  6. Step 6: Final answer
    x = 21,261.05

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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.