Home / 23,769.40-32,807.28-15,811.96

Finding the Fourth Proportional to 23,769.40, 32,807.28 and 15,811.96

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Solution

The fourth proportional to 23,769.40, 32,807.28 and 15,811.96 is: 21,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,769.40 : 32,807.28 = 15,811.96 : x
  2. Step 2: Convert to fraction form
    23,769.40/32,807.28 = 15,811.96/x
  3. Step 3: Cross multiply
    23,769.40x = 32,807.28 × 15,811.96
  4. Step 4: Simplify right side
    23,769.40x = 518,747,399.07
  5. Step 5: Solve for x
    x = 518,747,399.07/23,769.40
  6. Step 6: Final answer
    x = 21,824.17

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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.