Home / 38,817.74-58,238.90-13,857.23

Finding the Fourth Proportional to 38,817.74, 58,238.90 and 13,857.23

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Solution

The fourth proportional to 38,817.74, 58,238.90 and 13,857.23 is: 20,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.74 : 58,238.90 = 13,857.23 : x
  2. Step 2: Convert to fraction form
    38,817.74/58,238.90 = 13,857.23/x
  3. Step 3: Cross multiply
    38,817.74x = 58,238.90 × 13,857.23
  4. Step 4: Simplify right side
    38,817.74x = 807,029,471.77
  5. Step 5: Solve for x
    x = 807,029,471.77/38,817.74
  6. Step 6: Final answer
    x = 20,790.23

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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.