Home / 43,307.13-59,723.28-28,745.56

Finding the Fourth Proportional to 43,307.13, 59,723.28 and 28,745.56

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Solution

The fourth proportional to 43,307.13, 59,723.28 and 28,745.56 is: 39,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,307.13 : 59,723.28 = 28,745.56 : x
  2. Step 2: Convert to fraction form
    43,307.13/59,723.28 = 28,745.56/x
  3. Step 3: Cross multiply
    43,307.13x = 59,723.28 × 28,745.56
  4. Step 4: Simplify right side
    43,307.13x = 1,716,778,979.33
  5. Step 5: Solve for x
    x = 1,716,778,979.33/43,307.13
  6. Step 6: Final answer
    x = 39,641.95

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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.