Home / 15,628.76-23,438.26-5,238.08

Finding the Fourth Proportional to 15,628.76, 23,438.26 and 5,238.08

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Solution

The fourth proportional to 15,628.76, 23,438.26 and 5,238.08 is: 7,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.76 : 23,438.26 = 5,238.08 : x
  2. Step 2: Convert to fraction form
    15,628.76/23,438.26 = 5,238.08/x
  3. Step 3: Cross multiply
    15,628.76x = 23,438.26 × 5,238.08
  4. Step 4: Simplify right side
    15,628.76x = 122,771,458.19
  5. Step 5: Solve for x
    x = 122,771,458.19/15,628.76
  6. Step 6: Final answer
    x = 7,855.48

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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.