Home / 25,325.40-37,993.56-13,635.90

Finding the Fourth Proportional to 25,325.40, 37,993.56 and 13,635.90

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Solution

The fourth proportional to 25,325.40, 37,993.56 and 13,635.90 is: 20,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.40 : 37,993.56 = 13,635.90 : x
  2. Step 2: Convert to fraction form
    25,325.40/37,993.56 = 13,635.90/x
  3. Step 3: Cross multiply
    25,325.40x = 37,993.56 × 13,635.90
  4. Step 4: Simplify right side
    25,325.40x = 518,076,384.80
  5. Step 5: Solve for x
    x = 518,076,384.80/25,325.40
  6. Step 6: Final answer
    x = 20,456.79

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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.