Home / 27,057.47-37,315.12-16,986.84

Finding the Fourth Proportional to 27,057.47, 37,315.12 and 16,986.84

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Solution

The fourth proportional to 27,057.47, 37,315.12 and 16,986.84 is: 23,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.47 : 37,315.12 = 16,986.84 : x
  2. Step 2: Convert to fraction form
    27,057.47/37,315.12 = 16,986.84/x
  3. Step 3: Cross multiply
    27,057.47x = 37,315.12 × 16,986.84
  4. Step 4: Simplify right side
    27,057.47x = 633,865,973.02
  5. Step 5: Solve for x
    x = 633,865,973.02/27,057.47
  6. Step 6: Final answer
    x = 23,426.66

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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.