Home / 25,921.40-38,882.10-16,071.80

Finding the Fourth Proportional to 25,921.40, 38,882.10 and 16,071.80

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Solution

The fourth proportional to 25,921.40, 38,882.10 and 16,071.80 is: 24,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.40 : 38,882.10 = 16,071.80 : x
  2. Step 2: Convert to fraction form
    25,921.40/38,882.10 = 16,071.80/x
  3. Step 3: Cross multiply
    25,921.40x = 38,882.10 × 16,071.80
  4. Step 4: Simplify right side
    25,921.40x = 624,905,334.78
  5. Step 5: Solve for x
    x = 624,905,334.78/25,921.40
  6. Step 6: Final answer
    x = 24,107.70

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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.