Home / 27,212.49-37,558.22-15,888.69

Finding the Fourth Proportional to 27,212.49, 37,558.22 and 15,888.69

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Solution

The fourth proportional to 27,212.49, 37,558.22 and 15,888.69 is: 21,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.49 : 37,558.22 = 15,888.69 : x
  2. Step 2: Convert to fraction form
    27,212.49/37,558.22 = 15,888.69/x
  3. Step 3: Cross multiply
    27,212.49x = 37,558.22 × 15,888.69
  4. Step 4: Simplify right side
    27,212.49x = 596,750,835.09
  5. Step 5: Solve for x
    x = 596,750,835.09/27,212.49
  6. Step 6: Final answer
    x = 21,929.30

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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.