Home / 19,728.51-27,225.99-10,776.54

Finding the Fourth Proportional to 19,728.51, 27,225.99 and 10,776.54

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Solution

The fourth proportional to 19,728.51, 27,225.99 and 10,776.54 is: 14,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.51 : 27,225.99 = 10,776.54 : x
  2. Step 2: Convert to fraction form
    19,728.51/27,225.99 = 10,776.54/x
  3. Step 3: Cross multiply
    19,728.51x = 27,225.99 × 10,776.54
  4. Step 4: Simplify right side
    19,728.51x = 293,401,970.27
  5. Step 5: Solve for x
    x = 293,401,970.27/19,728.51
  6. Step 6: Final answer
    x = 14,871.98

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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.