Home / 20,877.33-31,259.95-16,329.28

Finding the Fourth Proportional to 20,877.33, 31,259.95 and 16,329.28

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Solution

The fourth proportional to 20,877.33, 31,259.95 and 16,329.28 is: 24,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877.33 : 31,259.95 = 16,329.28 : x
  2. Step 2: Convert to fraction form
    20,877.33/31,259.95 = 16,329.28/x
  3. Step 3: Cross multiply
    20,877.33x = 31,259.95 × 16,329.28
  4. Step 4: Simplify right side
    20,877.33x = 510,452,394.69
  5. Step 5: Solve for x
    x = 510,452,394.69/20,877.33
  6. Step 6: Final answer
    x = 24,450.09

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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.