Home / 28,887.11-43,322.05-12,246.87

Finding the Fourth Proportional to 28,887.11, 43,322.05 and 12,246.87

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Solution

The fourth proportional to 28,887.11, 43,322.05 and 12,246.87 is: 18,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.11 : 43,322.05 = 12,246.87 : x
  2. Step 2: Convert to fraction form
    28,887.11/43,322.05 = 12,246.87/x
  3. Step 3: Cross multiply
    28,887.11x = 43,322.05 × 12,246.87
  4. Step 4: Simplify right side
    28,887.11x = 530,559,483.87
  5. Step 5: Solve for x
    x = 530,559,483.87/28,887.11
  6. Step 6: Final answer
    x = 18,366.65

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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.