Home / 27,426.55-37,847.30-15,491.60

Finding the Fourth Proportional to 27,426.55, 37,847.30 and 15,491.60

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Solution

The fourth proportional to 27,426.55, 37,847.30 and 15,491.60 is: 21,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.55 : 37,847.30 = 15,491.60 : x
  2. Step 2: Convert to fraction form
    27,426.55/37,847.30 = 15,491.60/x
  3. Step 3: Cross multiply
    27,426.55x = 37,847.30 × 15,491.60
  4. Step 4: Simplify right side
    27,426.55x = 586,315,407.94
  5. Step 5: Solve for x
    x = 586,315,407.94/27,426.55
  6. Step 6: Final answer
    x = 21,377.66

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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.