Home / 25,057.18-34,500.22-21,272.50

Finding the Fourth Proportional to 25,057.18, 34,500.22 and 21,272.50

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Solution

The fourth proportional to 25,057.18, 34,500.22 and 21,272.50 is: 29,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,057.18 : 34,500.22 = 21,272.50 : x
  2. Step 2: Convert to fraction form
    25,057.18/34,500.22 = 21,272.50/x
  3. Step 3: Cross multiply
    25,057.18x = 34,500.22 × 21,272.50
  4. Step 4: Simplify right side
    25,057.18x = 733,905,929.95
  5. Step 5: Solve for x
    x = 733,905,929.95/25,057.18
  6. Step 6: Final answer
    x = 29,289.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.