Home / 25,575.12-38,367.94-10,784.08

Finding the Fourth Proportional to 25,575.12, 38,367.94 and 10,784.08

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Solution

The fourth proportional to 25,575.12, 38,367.94 and 10,784.08 is: 16,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.12 : 38,367.94 = 10,784.08 : x
  2. Step 2: Convert to fraction form
    25,575.12/38,367.94 = 10,784.08/x
  3. Step 3: Cross multiply
    25,575.12x = 38,367.94 × 10,784.08
  4. Step 4: Simplify right side
    25,575.12x = 413,762,934.40
  5. Step 5: Solve for x
    x = 413,762,934.40/25,575.12
  6. Step 6: Final answer
    x = 16,178.34

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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.