Home / 25,607.16-38,387.30-21,683.66

Finding the Fourth Proportional to 25,607.16, 38,387.30 and 21,683.66

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Solution

The fourth proportional to 25,607.16, 38,387.30 and 21,683.66 is: 32,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.16 : 38,387.30 = 21,683.66 : x
  2. Step 2: Convert to fraction form
    25,607.16/38,387.30 = 21,683.66/x
  3. Step 3: Cross multiply
    25,607.16x = 38,387.30 × 21,683.66
  4. Step 4: Simplify right side
    25,607.16x = 832,376,861.16
  5. Step 5: Solve for x
    x = 832,376,861.16/25,607.16
  6. Step 6: Final answer
    x = 32,505.63

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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.