Home / 27,470.86-37,909.14-15,533.50

Finding the Fourth Proportional to 27,470.86, 37,909.14 and 15,533.50

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Solution

The fourth proportional to 27,470.86, 37,909.14 and 15,533.50 is: 21,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.86 : 37,909.14 = 15,533.50 : x
  2. Step 2: Convert to fraction form
    27,470.86/37,909.14 = 15,533.50/x
  3. Step 3: Cross multiply
    27,470.86x = 37,909.14 × 15,533.50
  4. Step 4: Simplify right side
    27,470.86x = 588,861,626.19
  5. Step 5: Solve for x
    x = 588,861,626.19/27,470.86
  6. Step 6: Final answer
    x = 21,435.86

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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.