Home / 28,801.20-39,744.37-16,055.79

Finding the Fourth Proportional to 28,801.20, 39,744.37 and 16,055.79

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Solution

The fourth proportional to 28,801.20, 39,744.37 and 16,055.79 is: 22,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.20 : 39,744.37 = 16,055.79 : x
  2. Step 2: Convert to fraction form
    28,801.20/39,744.37 = 16,055.79/x
  3. Step 3: Cross multiply
    28,801.20x = 39,744.37 × 16,055.79
  4. Step 4: Simplify right side
    28,801.20x = 638,127,129.43
  5. Step 5: Solve for x
    x = 638,127,129.43/28,801.20
  6. Step 6: Final answer
    x = 22,156.27

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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.