Home / 19,679.29-27,157.27-10,726.76

Finding the Fourth Proportional to 19,679.29, 27,157.27 and 10,726.76

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Solution

The fourth proportional to 19,679.29, 27,157.27 and 10,726.76 is: 14,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.29 : 27,157.27 = 10,726.76 : x
  2. Step 2: Convert to fraction form
    19,679.29/27,157.27 = 10,726.76/x
  3. Step 3: Cross multiply
    19,679.29x = 27,157.27 × 10,726.76
  4. Step 4: Simplify right side
    19,679.29x = 291,309,463.91
  5. Step 5: Solve for x
    x = 291,309,463.91/19,679.29
  6. Step 6: Final answer
    x = 14,802.85

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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.