Home / 38,838.06-58,238.69-13,528.75

Finding the Fourth Proportional to 38,838.06, 58,238.69 and 13,528.75

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Solution

The fourth proportional to 38,838.06, 58,238.69 and 13,528.75 is: 20,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838.06 : 58,238.69 = 13,528.75 : x
  2. Step 2: Convert to fraction form
    38,838.06/58,238.69 = 13,528.75/x
  3. Step 3: Cross multiply
    38,838.06x = 58,238.69 × 13,528.75
  4. Step 4: Simplify right side
    38,838.06x = 787,896,464.10
  5. Step 5: Solve for x
    x = 787,896,464.10/38,838.06
  6. Step 6: Final answer
    x = 20,286.71

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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.