Home / 27,478.44-37,918.94-15,543.50

Finding the Fourth Proportional to 27,478.44, 37,918.94 and 15,543.50

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Solution

The fourth proportional to 27,478.44, 37,918.94 and 15,543.50 is: 21,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.44 : 37,918.94 = 15,543.50 : x
  2. Step 2: Convert to fraction form
    27,478.44/37,918.94 = 15,543.50/x
  3. Step 3: Cross multiply
    27,478.44x = 37,918.94 × 15,543.50
  4. Step 4: Simplify right side
    27,478.44x = 589,392,776.58
  5. Step 5: Solve for x
    x = 589,392,776.58/27,478.44
  6. Step 6: Final answer
    x = 21,449.28

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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.