Home / 27,039.70-37,314.39-15,103.21

Finding the Fourth Proportional to 27,039.70, 37,314.39 and 15,103.21

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Solution

The fourth proportional to 27,039.70, 37,314.39 and 15,103.21 is: 20,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.70 : 37,314.39 = 15,103.21 : x
  2. Step 2: Convert to fraction form
    27,039.70/37,314.39 = 15,103.21/x
  3. Step 3: Cross multiply
    27,039.70x = 37,314.39 × 15,103.21
  4. Step 4: Simplify right side
    27,039.70x = 563,567,068.19
  5. Step 5: Solve for x
    x = 563,567,068.19/27,039.70
  6. Step 6: Final answer
    x = 20,842.21

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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.