Home / 38,420.43-57,628.55-14,739.33

Finding the Fourth Proportional to 38,420.43, 57,628.55 and 14,739.33

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Solution

The fourth proportional to 38,420.43, 57,628.55 and 14,739.33 is: 22,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.43 : 57,628.55 = 14,739.33 : x
  2. Step 2: Convert to fraction form
    38,420.43/57,628.55 = 14,739.33/x
  3. Step 3: Cross multiply
    38,420.43x = 57,628.55 × 14,739.33
  4. Step 4: Simplify right side
    38,420.43x = 849,406,142.17
  5. Step 5: Solve for x
    x = 849,406,142.17/38,420.43
  6. Step 6: Final answer
    x = 22,108.19

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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.