Home / 28,901.76-39,882.24-16,327.68

Finding the Fourth Proportional to 28,901.76, 39,882.24 and 16,327.68

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Solution

The fourth proportional to 28,901.76, 39,882.24 and 16,327.68 is: 22,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.76 : 39,882.24 = 16,327.68 : x
  2. Step 2: Convert to fraction form
    28,901.76/39,882.24 = 16,327.68/x
  3. Step 3: Cross multiply
    28,901.76x = 39,882.24 × 16,327.68
  4. Step 4: Simplify right side
    28,901.76x = 651,184,452.40
  5. Step 5: Solve for x
    x = 651,184,452.40/28,901.76
  6. Step 6: Final answer
    x = 22,530.96

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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.