Home / 19,477.28-26,872.08-11,087.84

Finding the Fourth Proportional to 19,477.28, 26,872.08 and 11,087.84

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Solution

The fourth proportional to 19,477.28, 26,872.08 and 11,087.84 is: 15,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.28 : 26,872.08 = 11,087.84 : x
  2. Step 2: Convert to fraction form
    19,477.28/26,872.08 = 11,087.84/x
  3. Step 3: Cross multiply
    19,477.28x = 26,872.08 × 11,087.84
  4. Step 4: Simplify right side
    19,477.28x = 297,953,323.51
  5. Step 5: Solve for x
    x = 297,953,323.51/19,477.28
  6. Step 6: Final answer
    x = 15,297.48

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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.