Home / 27,457.39-37,871.18-17,387.47

Finding the Fourth Proportional to 27,457.39, 37,871.18 and 17,387.47

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Solution

The fourth proportional to 27,457.39, 37,871.18 and 17,387.47 is: 23,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.39 : 37,871.18 = 17,387.47 : x
  2. Step 2: Convert to fraction form
    27,457.39/37,871.18 = 17,387.47/x
  3. Step 3: Cross multiply
    27,457.39x = 37,871.18 × 17,387.47
  4. Step 4: Simplify right side
    27,457.39x = 658,483,919.18
  5. Step 5: Solve for x
    x = 658,483,919.18/27,457.39
  6. Step 6: Final answer
    x = 23,982.03

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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.