Home / 19,256.28-28,882.50-9,402.36

Finding the Fourth Proportional to 19,256.28, 28,882.50 and 9,402.36

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Solution

The fourth proportional to 19,256.28, 28,882.50 and 9,402.36 is: 14,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.28 : 28,882.50 = 9,402.36 : x
  2. Step 2: Convert to fraction form
    19,256.28/28,882.50 = 9,402.36/x
  3. Step 3: Cross multiply
    19,256.28x = 28,882.50 × 9,402.36
  4. Step 4: Simplify right side
    19,256.28x = 271,563,662.70
  5. Step 5: Solve for x
    x = 271,563,662.70/19,256.28
  6. Step 6: Final answer
    x = 14,102.60

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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.