Home / 43,681.31-60,288.21-28,587.38

Finding the Fourth Proportional to 43,681.31, 60,288.21 and 28,587.38

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Solution

The fourth proportional to 43,681.31, 60,288.21 and 28,587.38 is: 39,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.31 : 60,288.21 = 28,587.38 : x
  2. Step 2: Convert to fraction form
    43,681.31/60,288.21 = 28,587.38/x
  3. Step 3: Cross multiply
    43,681.31x = 60,288.21 × 28,587.38
  4. Step 4: Simplify right side
    43,681.31x = 1,723,481,968.79
  5. Step 5: Solve for x
    x = 1,723,481,968.79/43,681.31
  6. Step 6: Final answer
    x = 39,455.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.