Home / 28,579.65-39,459.17-17,840.87

Finding the Fourth Proportional to 28,579.65, 39,459.17 and 17,840.87

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Solution

The fourth proportional to 28,579.65, 39,459.17 and 17,840.87 is: 24,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.65 : 39,459.17 = 17,840.87 : x
  2. Step 2: Convert to fraction form
    28,579.65/39,459.17 = 17,840.87/x
  3. Step 3: Cross multiply
    28,579.65x = 39,459.17 × 17,840.87
  4. Step 4: Simplify right side
    28,579.65x = 703,986,039.16
  5. Step 5: Solve for x
    x = 703,986,039.16/28,579.65
  6. Step 6: Final answer
    x = 24,632.42

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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.