Home / 28,800.40-43,195.92-11,264.08

Finding the Fourth Proportional to 28,800.40, 43,195.92 and 11,264.08

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Solution

The fourth proportional to 28,800.40, 43,195.92 and 11,264.08 is: 16,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.40 : 43,195.92 = 11,264.08 : x
  2. Step 2: Convert to fraction form
    28,800.40/43,195.92 = 11,264.08/x
  3. Step 3: Cross multiply
    28,800.40x = 43,195.92 × 11,264.08
  4. Step 4: Simplify right side
    28,800.40x = 486,562,298.55
  5. Step 5: Solve for x
    x = 486,562,298.55/28,800.40
  6. Step 6: Final answer
    x = 16,894.29

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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.