Home / 27,477.77-37,919.07-15,543.44

Finding the Fourth Proportional to 27,477.77, 37,919.07 and 15,543.44

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Solution

The fourth proportional to 27,477.77, 37,919.07 and 15,543.44 is: 21,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.77 : 37,919.07 = 15,543.44 : x
  2. Step 2: Convert to fraction form
    27,477.77/37,919.07 = 15,543.44/x
  3. Step 3: Cross multiply
    27,477.77x = 37,919.07 × 15,543.44
  4. Step 4: Simplify right side
    27,477.77x = 589,392,789.40
  5. Step 5: Solve for x
    x = 589,392,789.40/27,477.77
  6. Step 6: Final answer
    x = 21,449.80

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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.