Home / 25,973.33-38,915.23-20,285.76

Finding the Fourth Proportional to 25,973.33, 38,915.23 and 20,285.76

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Solution

The fourth proportional to 25,973.33, 38,915.23 and 20,285.76 is: 30,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.33 : 38,915.23 = 20,285.76 : x
  2. Step 2: Convert to fraction form
    25,973.33/38,915.23 = 20,285.76/x
  3. Step 3: Cross multiply
    25,973.33x = 38,915.23 × 20,285.76
  4. Step 4: Simplify right side
    25,973.33x = 789,424,914.70
  5. Step 5: Solve for x
    x = 789,424,914.70/25,973.33
  6. Step 6: Final answer
    x = 30,393.68

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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.