Home / 19,658.28-27,127.56-10,705.25

Finding the Fourth Proportional to 19,658.28, 27,127.56 and 10,705.25

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Solution

The fourth proportional to 19,658.28, 27,127.56 and 10,705.25 is: 14,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.28 : 27,127.56 = 10,705.25 : x
  2. Step 2: Convert to fraction form
    19,658.28/27,127.56 = 10,705.25/x
  3. Step 3: Cross multiply
    19,658.28x = 27,127.56 × 10,705.25
  4. Step 4: Simplify right side
    19,658.28x = 290,407,243.87
  5. Step 5: Solve for x
    x = 290,407,243.87/19,658.28
  6. Step 6: Final answer
    x = 14,772.77

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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.