Home / 25,831.88-38,786.70-14,751.08

Finding the Fourth Proportional to 25,831.88, 38,786.70 and 14,751.08

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Solution

The fourth proportional to 25,831.88, 38,786.70 and 14,751.08 is: 22,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.88 : 38,786.70 = 14,751.08 : x
  2. Step 2: Convert to fraction form
    25,831.88/38,786.70 = 14,751.08/x
  3. Step 3: Cross multiply
    25,831.88x = 38,786.70 × 14,751.08
  4. Step 4: Simplify right side
    25,831.88x = 572,145,714.64
  5. Step 5: Solve for x
    x = 572,145,714.64/25,831.88
  6. Step 6: Final answer
    x = 22,148.82

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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.