Home / 25,330.05-38,002.77-17,948.79

Finding the Fourth Proportional to 25,330.05, 38,002.77 and 17,948.79

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Solution

The fourth proportional to 25,330.05, 38,002.77 and 17,948.79 is: 26,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.05 : 38,002.77 = 17,948.79 : x
  2. Step 2: Convert to fraction form
    25,330.05/38,002.77 = 17,948.79/x
  3. Step 3: Cross multiply
    25,330.05x = 38,002.77 × 17,948.79
  4. Step 4: Simplify right side
    25,330.05x = 682,103,738.15
  5. Step 5: Solve for x
    x = 682,103,738.15/25,330.05
  6. Step 6: Final answer
    x = 26,928.64

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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.