Home / 20,669.40-28,522.50-11,594.27

Finding the Fourth Proportional to 20,669.40, 28,522.50 and 11,594.27

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Solution

The fourth proportional to 20,669.40, 28,522.50 and 11,594.27 is: 15,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669.40 : 28,522.50 = 11,594.27 : x
  2. Step 2: Convert to fraction form
    20,669.40/28,522.50 = 11,594.27/x
  3. Step 3: Cross multiply
    20,669.40x = 28,522.50 × 11,594.27
  4. Step 4: Simplify right side
    20,669.40x = 330,697,365.49
  5. Step 5: Solve for x
    x = 330,697,365.49/20,669.40
  6. Step 6: Final answer
    x = 15,999.37

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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.