Home / 25,570.20-38,359.08-13,097.28

Finding the Fourth Proportional to 25,570.20, 38,359.08 and 13,097.28

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Solution

The fourth proportional to 25,570.20, 38,359.08 and 13,097.28 is: 19,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.20 : 38,359.08 = 13,097.28 : x
  2. Step 2: Convert to fraction form
    25,570.20/38,359.08 = 13,097.28/x
  3. Step 3: Cross multiply
    25,570.20x = 38,359.08 × 13,097.28
  4. Step 4: Simplify right side
    25,570.20x = 502,399,611.30
  5. Step 5: Solve for x
    x = 502,399,611.30/25,570.20
  6. Step 6: Final answer
    x = 19,647.86

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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.