Home / 27,381.78-37,786.83-14,806.50

Finding the Fourth Proportional to 27,381.78, 37,786.83 and 14,806.50

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Solution

The fourth proportional to 27,381.78, 37,786.83 and 14,806.50 is: 20,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.78 : 37,786.83 = 14,806.50 : x
  2. Step 2: Convert to fraction form
    27,381.78/37,786.83 = 14,806.50/x
  3. Step 3: Cross multiply
    27,381.78x = 37,786.83 × 14,806.50
  4. Step 4: Simplify right side
    27,381.78x = 559,490,698.40
  5. Step 5: Solve for x
    x = 559,490,698.40/27,381.78
  6. Step 6: Final answer
    x = 20,432.96

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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.