Home / 27,156.69-37,476.77-15,221.25

Finding the Fourth Proportional to 27,156.69, 37,476.77 and 15,221.25

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Solution

The fourth proportional to 27,156.69, 37,476.77 and 15,221.25 is: 21,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.69 : 37,476.77 = 15,221.25 : x
  2. Step 2: Convert to fraction form
    27,156.69/37,476.77 = 15,221.25/x
  3. Step 3: Cross multiply
    27,156.69x = 37,476.77 × 15,221.25
  4. Step 4: Simplify right side
    27,156.69x = 570,443,209.26
  5. Step 5: Solve for x
    x = 570,443,209.26/27,156.69
  6. Step 6: Final answer
    x = 21,005.62

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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.