Home / 19,157.28-28,701.36-10,932

Finding the Fourth Proportional to 19,157.28, 28,701.36 and 10,932

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Solution

The fourth proportional to 19,157.28, 28,701.36 and 10,932 is: 16,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.28 : 28,701.36 = 10,932 : x
  2. Step 2: Convert to fraction form
    19,157.28/28,701.36 = 10,932/x
  3. Step 3: Cross multiply
    19,157.28x = 28,701.36 × 10,932
  4. Step 4: Simplify right side
    19,157.28x = 313,763,267.52
  5. Step 5: Solve for x
    x = 313,763,267.52/19,157.28
  6. Step 6: Final answer
    x = 16,378.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.