Home / 25,582.52-38,374.22-7,813.56

Finding the Fourth Proportional to 25,582.52, 38,374.22 and 7,813.56

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Solution

The fourth proportional to 25,582.52, 38,374.22 and 7,813.56 is: 11,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.52 : 38,374.22 = 7,813.56 : x
  2. Step 2: Convert to fraction form
    25,582.52/38,374.22 = 7,813.56/x
  3. Step 3: Cross multiply
    25,582.52x = 38,374.22 × 7,813.56
  4. Step 4: Simplify right side
    25,582.52x = 299,839,270.42
  5. Step 5: Solve for x
    x = 299,839,270.42/25,582.52
  6. Step 6: Final answer
    x = 11,720.47

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1.5x scale

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.