Home / 25,653.69-38,538.93-18,559.82

Finding the Fourth Proportional to 25,653.69, 38,538.93 and 18,559.82

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Solution

The fourth proportional to 25,653.69, 38,538.93 and 18,559.82 is: 27,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.69 : 38,538.93 = 18,559.82 : x
  2. Step 2: Convert to fraction form
    25,653.69/38,538.93 = 18,559.82/x
  3. Step 3: Cross multiply
    25,653.69x = 38,538.93 × 18,559.82
  4. Step 4: Simplify right side
    25,653.69x = 715,275,411.10
  5. Step 5: Solve for x
    x = 715,275,411.10/25,653.69
  6. Step 6: Final answer
    x = 27,881.97

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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.