Home / 19,776.96-27,285.42-11,272.95

Finding the Fourth Proportional to 19,776.96, 27,285.42 and 11,272.95

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Solution

The fourth proportional to 19,776.96, 27,285.42 and 11,272.95 is: 15,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.96 : 27,285.42 = 11,272.95 : x
  2. Step 2: Convert to fraction form
    19,776.96/27,285.42 = 11,272.95/x
  3. Step 3: Cross multiply
    19,776.96x = 27,285.42 × 11,272.95
  4. Step 4: Simplify right side
    19,776.96x = 307,587,030.80
  5. Step 5: Solve for x
    x = 307,587,030.80/19,776.96
  6. Step 6: Final answer
    x = 15,552.80

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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.