Home / 25,627.96-38,428.98-13,145.32

Finding the Fourth Proportional to 25,627.96, 38,428.98 and 13,145.32

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Solution

The fourth proportional to 25,627.96, 38,428.98 and 13,145.32 is: 19,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.96 : 38,428.98 = 13,145.32 : x
  2. Step 2: Convert to fraction form
    25,627.96/38,428.98 = 13,145.32/x
  3. Step 3: Cross multiply
    25,627.96x = 38,428.98 × 13,145.32
  4. Step 4: Simplify right side
    25,627.96x = 505,161,239.37
  5. Step 5: Solve for x
    x = 505,161,239.37/25,627.96
  6. Step 6: Final answer
    x = 19,711.33

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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.