Home / 25,582.30-38,397.44-15,740.80

Finding the Fourth Proportional to 25,582.30, 38,397.44 and 15,740.80

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Solution

The fourth proportional to 25,582.30, 38,397.44 and 15,740.80 is: 23,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.30 : 38,397.44 = 15,740.80 : x
  2. Step 2: Convert to fraction form
    25,582.30/38,397.44 = 15,740.80/x
  3. Step 3: Cross multiply
    25,582.30x = 38,397.44 × 15,740.80
  4. Step 4: Simplify right side
    25,582.30x = 604,406,231.56
  5. Step 5: Solve for x
    x = 604,406,231.56/25,582.30
  6. Step 6: Final answer
    x = 23,625.96

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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.