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Finding the Fourth Proportional to 27,489.71, 41,246.86 and 15,802.93

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Solution

The fourth proportional to 27,489.71, 41,246.86 and 15,802.93 is: 23,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.71 : 41,246.86 = 15,802.93 : x
  2. Step 2: Convert to fraction form
    27,489.71/41,246.86 = 15,802.93/x
  3. Step 3: Cross multiply
    27,489.71x = 41,246.86 × 15,802.93
  4. Step 4: Simplify right side
    27,489.71x = 651,821,241.30
  5. Step 5: Solve for x
    x = 651,821,241.30/27,489.71
  6. Step 6: Final answer
    x = 23,711.46

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1.5x scale

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.