Home / 28,616.06-39,490.26-16,040

Finding the Fourth Proportional to 28,616.06, 39,490.26 and 16,040

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Solution

The fourth proportional to 28,616.06, 39,490.26 and 16,040 is: 22,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.06 : 39,490.26 = 16,040 : x
  2. Step 2: Convert to fraction form
    28,616.06/39,490.26 = 16,040/x
  3. Step 3: Cross multiply
    28,616.06x = 39,490.26 × 16,040
  4. Step 4: Simplify right side
    28,616.06x = 633,423,770.40
  5. Step 5: Solve for x
    x = 633,423,770.40/28,616.06
  6. Step 6: Final answer
    x = 22,135.25

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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.