Home / 19,679.25-27,157.20-10,726.76

Finding the Fourth Proportional to 19,679.25, 27,157.20 and 10,726.76

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Solution

The fourth proportional to 19,679.25, 27,157.20 and 10,726.76 is: 14,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.25 : 27,157.20 = 10,726.76 : x
  2. Step 2: Convert to fraction form
    19,679.25/27,157.20 = 10,726.76/x
  3. Step 3: Cross multiply
    19,679.25x = 27,157.20 × 10,726.76
  4. Step 4: Simplify right side
    19,679.25x = 291,308,698.78
  5. Step 5: Solve for x
    x = 291,308,698.78/19,679.25
  6. Step 6: Final answer
    x = 14,802.83

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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.