Home / 27,330.50-37,709.61-15,391.46

Finding the Fourth Proportional to 27,330.50, 37,709.61 and 15,391.46

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Solution

The fourth proportional to 27,330.50, 37,709.61 and 15,391.46 is: 21,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.50 : 37,709.61 = 15,391.46 : x
  2. Step 2: Convert to fraction form
    27,330.50/37,709.61 = 15,391.46/x
  3. Step 3: Cross multiply
    27,330.50x = 37,709.61 × 15,391.46
  4. Step 4: Simplify right side
    27,330.50x = 580,405,953.93
  5. Step 5: Solve for x
    x = 580,405,953.93/27,330.50
  6. Step 6: Final answer
    x = 21,236.57

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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.