Home / 28,682.76-43,002.18-16,216.86

Finding the Fourth Proportional to 28,682.76, 43,002.18 and 16,216.86

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Solution

The fourth proportional to 28,682.76, 43,002.18 and 16,216.86 is: 24,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.76 : 43,002.18 = 16,216.86 : x
  2. Step 2: Convert to fraction form
    28,682.76/43,002.18 = 16,216.86/x
  3. Step 3: Cross multiply
    28,682.76x = 43,002.18 × 16,216.86
  4. Step 4: Simplify right side
    28,682.76x = 697,360,332.75
  5. Step 5: Solve for x
    x = 697,360,332.75/28,682.76
  6. Step 6: Final answer
    x = 24,312.87

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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.