Home / 25,810.20-38,715.30-16,997.40

Finding the Fourth Proportional to 25,810.20, 38,715.30 and 16,997.40

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Solution

The fourth proportional to 25,810.20, 38,715.30 and 16,997.40 is: 25,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.20 : 38,715.30 = 16,997.40 : x
  2. Step 2: Convert to fraction form
    25,810.20/38,715.30 = 16,997.40/x
  3. Step 3: Cross multiply
    25,810.20x = 38,715.30 × 16,997.40
  4. Step 4: Simplify right side
    25,810.20x = 658,059,440.22
  5. Step 5: Solve for x
    x = 658,059,440.22/25,810.20
  6. Step 6: Final answer
    x = 25,496.10

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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.