Home / 25,909.01-38,875.81-11,122.14

Finding the Fourth Proportional to 25,909.01, 38,875.81 and 11,122.14

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Solution

The fourth proportional to 25,909.01, 38,875.81 and 11,122.14 is: 16,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.01 : 38,875.81 = 11,122.14 : x
  2. Step 2: Convert to fraction form
    25,909.01/38,875.81 = 11,122.14/x
  3. Step 3: Cross multiply
    25,909.01x = 38,875.81 × 11,122.14
  4. Step 4: Simplify right side
    25,909.01x = 432,382,201.43
  5. Step 5: Solve for x
    x = 432,382,201.43/25,909.01
  6. Step 6: Final answer
    x = 16,688.49

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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.