Home / 19,885.36-27,442.20-10,933.84

Finding the Fourth Proportional to 19,885.36, 27,442.20 and 10,933.84

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Solution

The fourth proportional to 19,885.36, 27,442.20 and 10,933.84 is: 15,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.36 : 27,442.20 = 10,933.84 : x
  2. Step 2: Convert to fraction form
    19,885.36/27,442.20 = 10,933.84/x
  3. Step 3: Cross multiply
    19,885.36x = 27,442.20 × 10,933.84
  4. Step 4: Simplify right side
    19,885.36x = 300,048,624.05
  5. Step 5: Solve for x
    x = 300,048,624.05/19,885.36
  6. Step 6: Final answer
    x = 15,088.92

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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.