Home / 20,241.48-27,916.74-16,998.80

Finding the Fourth Proportional to 20,241.48, 27,916.74 and 16,998.80

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Solution

The fourth proportional to 20,241.48, 27,916.74 and 16,998.80 is: 23,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.48 : 27,916.74 = 16,998.80 : x
  2. Step 2: Convert to fraction form
    20,241.48/27,916.74 = 16,998.80/x
  3. Step 3: Cross multiply
    20,241.48x = 27,916.74 × 16,998.80
  4. Step 4: Simplify right side
    20,241.48x = 474,551,079.91
  5. Step 5: Solve for x
    x = 474,551,079.91/20,241.48
  6. Step 6: Final answer
    x = 23,444.49

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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.