Home / 17,303.04-25,956-10,421.28

Finding the Fourth Proportional to 17,303.04, 25,956 and 10,421.28

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Solution

The fourth proportional to 17,303.04, 25,956 and 10,421.28 is: 15,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,303.04 : 25,956 = 10,421.28 : x
  2. Step 2: Convert to fraction form
    17,303.04/25,956 = 10,421.28/x
  3. Step 3: Cross multiply
    17,303.04x = 25,956 × 10,421.28
  4. Step 4: Simplify right side
    17,303.04x = 270,494,743.68
  5. Step 5: Solve for x
    x = 270,494,743.68/17,303.04
  6. Step 6: Final answer
    x = 15,632.79

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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.