Home / 25,562.53-38,331.63-8,920.54

Finding the Fourth Proportional to 25,562.53, 38,331.63 and 8,920.54

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Solution

The fourth proportional to 25,562.53, 38,331.63 and 8,920.54 is: 13,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,562.53 : 38,331.63 = 8,920.54 : x
  2. Step 2: Convert to fraction form
    25,562.53/38,331.63 = 8,920.54/x
  3. Step 3: Cross multiply
    25,562.53x = 38,331.63 × 8,920.54
  4. Step 4: Simplify right side
    25,562.53x = 341,938,838.68
  5. Step 5: Solve for x
    x = 341,938,838.68/25,562.53
  6. Step 6: Final answer
    x = 13,376.56

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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.