Home / 25,229.96-37,780.32-21,059.60

Finding the Fourth Proportional to 25,229.96, 37,780.32 and 21,059.60

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Solution

The fourth proportional to 25,229.96, 37,780.32 and 21,059.60 is: 31,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.96 : 37,780.32 = 21,059.60 : x
  2. Step 2: Convert to fraction form
    25,229.96/37,780.32 = 21,059.60/x
  3. Step 3: Cross multiply
    25,229.96x = 37,780.32 × 21,059.60
  4. Step 4: Simplify right side
    25,229.96x = 795,638,427.07
  5. Step 5: Solve for x
    x = 795,638,427.07/25,229.96
  6. Step 6: Final answer
    x = 31,535.46

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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.