Home / 28,291.24-42,378.54-16,568.92

Finding the Fourth Proportional to 28,291.24, 42,378.54 and 16,568.92

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Solution

The fourth proportional to 28,291.24, 42,378.54 and 16,568.92 is: 24,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.24 : 42,378.54 = 16,568.92 : x
  2. Step 2: Convert to fraction form
    28,291.24/42,378.54 = 16,568.92/x
  3. Step 3: Cross multiply
    28,291.24x = 42,378.54 × 16,568.92
  4. Step 4: Simplify right side
    28,291.24x = 702,166,638.98
  5. Step 5: Solve for x
    x = 702,166,638.98/28,291.24
  6. Step 6: Final answer
    x = 24,819.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.