Home / 28,800.42-39,744.09-16,225.26

Finding the Fourth Proportional to 28,800.42, 39,744.09 and 16,225.26

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Solution

The fourth proportional to 28,800.42, 39,744.09 and 16,225.26 is: 22,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.42 : 39,744.09 = 16,225.26 : x
  2. Step 2: Convert to fraction form
    28,800.42/39,744.09 = 16,225.26/x
  3. Step 3: Cross multiply
    28,800.42x = 39,744.09 × 16,225.26
  4. Step 4: Simplify right side
    28,800.42x = 644,858,193.71
  5. Step 5: Solve for x
    x = 644,858,193.71/28,800.42
  6. Step 6: Final answer
    x = 22,390.58

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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.