Home / 25,430.04-38,117.52-10,647

Finding the Fourth Proportional to 25,430.04, 38,117.52 and 10,647

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Solution

The fourth proportional to 25,430.04, 38,117.52 and 10,647 is: 15,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.04 : 38,117.52 = 10,647 : x
  2. Step 2: Convert to fraction form
    25,430.04/38,117.52 = 10,647/x
  3. Step 3: Cross multiply
    25,430.04x = 38,117.52 × 10,647
  4. Step 4: Simplify right side
    25,430.04x = 405,837,235.44
  5. Step 5: Solve for x
    x = 405,837,235.44/25,430.04
  6. Step 6: Final answer
    x = 15,958.97

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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.