Home / 25,527.65-35,231.27-15,455.84

Finding the Fourth Proportional to 25,527.65, 35,231.27 and 15,455.84

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Solution

The fourth proportional to 25,527.65, 35,231.27 and 15,455.84 is: 21,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,527.65 : 35,231.27 = 15,455.84 : x
  2. Step 2: Convert to fraction form
    25,527.65/35,231.27 = 15,455.84/x
  3. Step 3: Cross multiply
    25,527.65x = 35,231.27 × 15,455.84
  4. Step 4: Simplify right side
    25,527.65x = 544,528,882.92
  5. Step 5: Solve for x
    x = 544,528,882.92/25,527.65
  6. Step 6: Final answer
    x = 21,330.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.