Home / 25,432.85-38,141.48-17,585.79

Finding the Fourth Proportional to 25,432.85, 38,141.48 and 17,585.79

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Solution

The fourth proportional to 25,432.85, 38,141.48 and 17,585.79 is: 26,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.85 : 38,141.48 = 17,585.79 : x
  2. Step 2: Convert to fraction form
    25,432.85/38,141.48 = 17,585.79/x
  3. Step 3: Cross multiply
    25,432.85x = 38,141.48 × 17,585.79
  4. Step 4: Simplify right side
    25,432.85x = 670,748,057.57
  5. Step 5: Solve for x
    x = 670,748,057.57/25,432.85
  6. Step 6: Final answer
    x = 26,373.30

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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.