Home / 25,495.65-35,184.78-15,425.94

Finding the Fourth Proportional to 25,495.65, 35,184.78 and 15,425.94

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Solution

The fourth proportional to 25,495.65, 35,184.78 and 15,425.94 is: 21,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.65 : 35,184.78 = 15,425.94 : x
  2. Step 2: Convert to fraction form
    25,495.65/35,184.78 = 15,425.94/x
  3. Step 3: Cross multiply
    25,495.65x = 35,184.78 × 15,425.94
  4. Step 4: Simplify right side
    25,495.65x = 542,758,305.19
  5. Step 5: Solve for x
    x = 542,758,305.19/25,495.65
  6. Step 6: Final answer
    x = 21,288.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.