Home / 27,338.22-37,724.28-15,403.50

Finding the Fourth Proportional to 27,338.22, 37,724.28 and 15,403.50

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Solution

The fourth proportional to 27,338.22, 37,724.28 and 15,403.50 is: 21,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.22 : 37,724.28 = 15,403.50 : x
  2. Step 2: Convert to fraction form
    27,338.22/37,724.28 = 15,403.50/x
  3. Step 3: Cross multiply
    27,338.22x = 37,724.28 × 15,403.50
  4. Step 4: Simplify right side
    27,338.22x = 581,085,946.98
  5. Step 5: Solve for x
    x = 581,085,946.98/27,338.22
  6. Step 6: Final answer
    x = 21,255.44

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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.