Home / 25,433.60-38,150.40-16,563.20

Finding the Fourth Proportional to 25,433.60, 38,150.40 and 16,563.20

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Solution

The fourth proportional to 25,433.60, 38,150.40 and 16,563.20 is: 24,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.60 : 38,150.40 = 16,563.20 : x
  2. Step 2: Convert to fraction form
    25,433.60/38,150.40 = 16,563.20/x
  3. Step 3: Cross multiply
    25,433.60x = 38,150.40 × 16,563.20
  4. Step 4: Simplify right side
    25,433.60x = 631,892,705.28
  5. Step 5: Solve for x
    x = 631,892,705.28/25,433.60
  6. Step 6: Final answer
    x = 24,844.80

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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.