Home / 25,881.48-38,790.90-18,373.23

Finding the Fourth Proportional to 25,881.48, 38,790.90 and 18,373.23

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Solution

The fourth proportional to 25,881.48, 38,790.90 and 18,373.23 is: 27,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.48 : 38,790.90 = 18,373.23 : x
  2. Step 2: Convert to fraction form
    25,881.48/38,790.90 = 18,373.23/x
  3. Step 3: Cross multiply
    25,881.48x = 38,790.90 × 18,373.23
  4. Step 4: Simplify right side
    25,881.48x = 712,714,127.61
  5. Step 5: Solve for x
    x = 712,714,127.61/25,881.48
  6. Step 6: Final answer
    x = 27,537.61

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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.