Home / 28,532.84-39,379.62-16,431.08

Finding the Fourth Proportional to 28,532.84, 39,379.62 and 16,431.08

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Solution

The fourth proportional to 28,532.84, 39,379.62 and 16,431.08 is: 22,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.84 : 39,379.62 = 16,431.08 : x
  2. Step 2: Convert to fraction form
    28,532.84/39,379.62 = 16,431.08/x
  3. Step 3: Cross multiply
    28,532.84x = 39,379.62 × 16,431.08
  4. Step 4: Simplify right side
    28,532.84x = 647,049,686.59
  5. Step 5: Solve for x
    x = 647,049,686.59/28,532.84
  6. Step 6: Final answer
    x = 22,677.37

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1.5x scale

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.