Home / 38,778.26-58,165.07-13,816.99

Finding the Fourth Proportional to 38,778.26, 58,165.07 and 13,816.99

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Solution

The fourth proportional to 38,778.26, 58,165.07 and 13,816.99 is: 20,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.26 : 58,165.07 = 13,816.99 : x
  2. Step 2: Convert to fraction form
    38,778.26/58,165.07 = 13,816.99/x
  3. Step 3: Cross multiply
    38,778.26x = 58,165.07 × 13,816.99
  4. Step 4: Simplify right side
    38,778.26x = 803,665,934.26
  5. Step 5: Solve for x
    x = 803,665,934.26/38,778.26
  6. Step 6: Final answer
    x = 20,724.65

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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.