Home / 57,713.28-86,582.88-18,267.36

Finding the Fourth Proportional to 57,713.28, 86,582.88 and 18,267.36

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Solution

The fourth proportional to 57,713.28, 86,582.88 and 18,267.36 is: 27,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.28 : 86,582.88 = 18,267.36 : x
  2. Step 2: Convert to fraction form
    57,713.28/86,582.88 = 18,267.36/x
  3. Step 3: Cross multiply
    57,713.28x = 86,582.88 × 18,267.36
  4. Step 4: Simplify right side
    57,713.28x = 1,581,640,638.80
  5. Step 5: Solve for x
    x = 1,581,640,638.80/57,713.28
  6. Step 6: Final answer
    x = 27,405.14

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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.