Home / 25,662.10-38,517.36-13,190.88

Finding the Fourth Proportional to 25,662.10, 38,517.36 and 13,190.88

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Solution

The fourth proportional to 25,662.10, 38,517.36 and 13,190.88 is: 19,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.10 : 38,517.36 = 13,190.88 : x
  2. Step 2: Convert to fraction form
    25,662.10/38,517.36 = 13,190.88/x
  3. Step 3: Cross multiply
    25,662.10x = 38,517.36 × 13,190.88
  4. Step 4: Simplify right side
    25,662.10x = 508,077,822.02
  5. Step 5: Solve for x
    x = 508,077,822.02/25,662.10
  6. Step 6: Final answer
    x = 19,798.77

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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.