Home / 38,986.24-58,502.40-14,379.52

Finding the Fourth Proportional to 38,986.24, 58,502.40 and 14,379.52

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Solution

The fourth proportional to 38,986.24, 58,502.40 and 14,379.52 is: 21,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.24 : 58,502.40 = 14,379.52 : x
  2. Step 2: Convert to fraction form
    38,986.24/58,502.40 = 14,379.52/x
  3. Step 3: Cross multiply
    38,986.24x = 58,502.40 × 14,379.52
  4. Step 4: Simplify right side
    38,986.24x = 841,236,430.85
  5. Step 5: Solve for x
    x = 841,236,430.85/38,986.24
  6. Step 6: Final answer
    x = 21,577.78

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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.