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Finding the Fourth Proportional to 33,726.48, 46,527.48 and 20,289.84

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Solution

The fourth proportional to 33,726.48, 46,527.48 and 20,289.84 is: 27,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,726.48 : 46,527.48 = 20,289.84 : x
  2. Step 2: Convert to fraction form
    33,726.48/46,527.48 = 20,289.84/x
  3. Step 3: Cross multiply
    33,726.48x = 46,527.48 × 20,289.84
  4. Step 4: Simplify right side
    33,726.48x = 944,035,124.80
  5. Step 5: Solve for x
    x = 944,035,124.80/33,726.48
  6. Step 6: Final answer
    x = 27,990.92

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1.5x scale

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.