Home / 21,802.86-32,711.55-8,476.28

Finding the Fourth Proportional to 21,802.86, 32,711.55 and 8,476.28

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Solution

The fourth proportional to 21,802.86, 32,711.55 and 8,476.28 is: 12,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.86 : 32,711.55 = 8,476.28 : x
  2. Step 2: Convert to fraction form
    21,802.86/32,711.55 = 8,476.28/x
  3. Step 3: Cross multiply
    21,802.86x = 32,711.55 × 8,476.28
  4. Step 4: Simplify right side
    21,802.86x = 277,272,093.48
  5. Step 5: Solve for x
    x = 277,272,093.48/21,802.86
  6. Step 6: Final answer
    x = 12,717.23

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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.