Home / 25,664.80-38,475.60-13,352.80

Finding the Fourth Proportional to 25,664.80, 38,475.60 and 13,352.80

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Solution

The fourth proportional to 25,664.80, 38,475.60 and 13,352.80 is: 20,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.80 : 38,475.60 = 13,352.80 : x
  2. Step 2: Convert to fraction form
    25,664.80/38,475.60 = 13,352.80/x
  3. Step 3: Cross multiply
    25,664.80x = 38,475.60 × 13,352.80
  4. Step 4: Simplify right side
    25,664.80x = 513,756,991.68
  5. Step 5: Solve for x
    x = 513,756,991.68/25,664.80
  6. Step 6: Final answer
    x = 20,017.96

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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.