Home / 15,405.28-23,109.54-5,017.84

Finding the Fourth Proportional to 15,405.28, 23,109.54 and 5,017.84

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Solution

The fourth proportional to 15,405.28, 23,109.54 and 5,017.84 is: 7,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.28 : 23,109.54 = 5,017.84 : x
  2. Step 2: Convert to fraction form
    15,405.28/23,109.54 = 5,017.84/x
  3. Step 3: Cross multiply
    15,405.28x = 23,109.54 × 5,017.84
  4. Step 4: Simplify right side
    15,405.28x = 115,959,974.19
  5. Step 5: Solve for x
    x = 115,959,974.19/15,405.28
  6. Step 6: Final answer
    x = 7,527.29

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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.