Home / 25,788.09-38,615.18-17,914.89

Finding the Fourth Proportional to 25,788.09, 38,615.18 and 17,914.89

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Solution

The fourth proportional to 25,788.09, 38,615.18 and 17,914.89 is: 26,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.09 : 38,615.18 = 17,914.89 : x
  2. Step 2: Convert to fraction form
    25,788.09/38,615.18 = 17,914.89/x
  3. Step 3: Cross multiply
    25,788.09x = 38,615.18 × 17,914.89
  4. Step 4: Simplify right side
    25,788.09x = 691,786,612.46
  5. Step 5: Solve for x
    x = 691,786,612.46/25,788.09
  6. Step 6: Final answer
    x = 26,825.82

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1.5x scale

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.