Home / 27,039.90-37,316.52-15,103.50

Finding the Fourth Proportional to 27,039.90, 37,316.52 and 15,103.50

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Solution

The fourth proportional to 27,039.90, 37,316.52 and 15,103.50 is: 20,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.90 : 37,316.52 = 15,103.50 : x
  2. Step 2: Convert to fraction form
    27,039.90/37,316.52 = 15,103.50/x
  3. Step 3: Cross multiply
    27,039.90x = 37,316.52 × 15,103.50
  4. Step 4: Simplify right side
    27,039.90x = 563,610,059.82
  5. Step 5: Solve for x
    x = 563,610,059.82/27,039.90
  6. Step 6: Final answer
    x = 20,843.64

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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.