Home / 27,845.53-38,426.77-15,270.25

Finding the Fourth Proportional to 27,845.53, 38,426.77 and 15,270.25

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Solution

The fourth proportional to 27,845.53, 38,426.77 and 15,270.25 is: 21,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.53 : 38,426.77 = 15,270.25 : x
  2. Step 2: Convert to fraction form
    27,845.53/38,426.77 = 15,270.25/x
  3. Step 3: Cross multiply
    27,845.53x = 38,426.77 × 15,270.25
  4. Step 4: Simplify right side
    27,845.53x = 586,786,384.59
  5. Step 5: Solve for x
    x = 586,786,384.59/27,845.53
  6. Step 6: Final answer
    x = 21,072.91

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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.