Home / 27,988.25-38,621.54-16,055.33

Finding the Fourth Proportional to 27,988.25, 38,621.54 and 16,055.33

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Solution

The fourth proportional to 27,988.25, 38,621.54 and 16,055.33 is: 22,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.25 : 38,621.54 = 16,055.33 : x
  2. Step 2: Convert to fraction form
    27,988.25/38,621.54 = 16,055.33/x
  3. Step 3: Cross multiply
    27,988.25x = 38,621.54 × 16,055.33
  4. Step 4: Simplify right side
    27,988.25x = 620,081,416.84
  5. Step 5: Solve for x
    x = 620,081,416.84/27,988.25
  6. Step 6: Final answer
    x = 22,155.07

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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.