Home / 27,343.18-37,733.70-15,406.70

Finding the Fourth Proportional to 27,343.18, 37,733.70 and 15,406.70

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Solution

The fourth proportional to 27,343.18, 37,733.70 and 15,406.70 is: 21,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.18 : 37,733.70 = 15,406.70 : x
  2. Step 2: Convert to fraction form
    27,343.18/37,733.70 = 15,406.70/x
  3. Step 3: Cross multiply
    27,343.18x = 37,733.70 × 15,406.70
  4. Step 4: Simplify right side
    27,343.18x = 581,351,795.79
  5. Step 5: Solve for x
    x = 581,351,795.79/27,343.18
  6. Step 6: Final answer
    x = 21,261.31

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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.