Home / 27,316.84-37,685.44-15,668.84

Finding the Fourth Proportional to 27,316.84, 37,685.44 and 15,668.84

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Solution

The fourth proportional to 27,316.84, 37,685.44 and 15,668.84 is: 21,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.84 : 37,685.44 = 15,668.84 : x
  2. Step 2: Convert to fraction form
    27,316.84/37,685.44 = 15,668.84/x
  3. Step 3: Cross multiply
    27,316.84x = 37,685.44 × 15,668.84
  4. Step 4: Simplify right side
    27,316.84x = 590,487,129.69
  5. Step 5: Solve for x
    x = 590,487,129.69/27,316.84
  6. Step 6: Final answer
    x = 21,616.23

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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.