Home / 25,537.90-35,243.44-21,281.83

Finding the Fourth Proportional to 25,537.90, 35,243.44 and 21,281.83

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Solution

The fourth proportional to 25,537.90, 35,243.44 and 21,281.83 is: 29,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,537.90 : 35,243.44 = 21,281.83 : x
  2. Step 2: Convert to fraction form
    25,537.90/35,243.44 = 21,281.83/x
  3. Step 3: Cross multiply
    25,537.90x = 35,243.44 × 21,281.83
  4. Step 4: Simplify right side
    25,537.90x = 750,045,005.19
  5. Step 5: Solve for x
    x = 750,045,005.19/25,537.90
  6. Step 6: Final answer
    x = 29,369.88

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1.5x scale

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.