Home / 27,726.40-38,269.30-15,796.82

Finding the Fourth Proportional to 27,726.40, 38,269.30 and 15,796.82

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Solution

The fourth proportional to 27,726.40, 38,269.30 and 15,796.82 is: 21,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.40 : 38,269.30 = 15,796.82 : x
  2. Step 2: Convert to fraction form
    27,726.40/38,269.30 = 15,796.82/x
  3. Step 3: Cross multiply
    27,726.40x = 38,269.30 × 15,796.82
  4. Step 4: Simplify right side
    27,726.40x = 604,533,243.63
  5. Step 5: Solve for x
    x = 604,533,243.63/27,726.40
  6. Step 6: Final answer
    x = 21,803.52

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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.