Home / 27,039.50-37,314.42-15,102.84

Finding the Fourth Proportional to 27,039.50, 37,314.42 and 15,102.84

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Solution

The fourth proportional to 27,039.50, 37,314.42 and 15,102.84 is: 20,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.50 : 37,314.42 = 15,102.84 : x
  2. Step 2: Convert to fraction form
    27,039.50/37,314.42 = 15,102.84/x
  3. Step 3: Cross multiply
    27,039.50x = 37,314.42 × 15,102.84
  4. Step 4: Simplify right side
    27,039.50x = 563,553,714.95
  5. Step 5: Solve for x
    x = 563,553,714.95/27,039.50
  6. Step 6: Final answer
    x = 20,841.87

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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.