Home / 26,920.40-40,382.52-9,385.04

Finding the Fourth Proportional to 26,920.40, 40,382.52 and 9,385.04

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Solution

The fourth proportional to 26,920.40, 40,382.52 and 9,385.04 is: 14,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.40 : 40,382.52 = 9,385.04 : x
  2. Step 2: Convert to fraction form
    26,920.40/40,382.52 = 9,385.04/x
  3. Step 3: Cross multiply
    26,920.40x = 40,382.52 × 9,385.04
  4. Step 4: Simplify right side
    26,920.40x = 378,991,565.50
  5. Step 5: Solve for x
    x = 378,991,565.50/26,920.40
  6. Step 6: Final answer
    x = 14,078.23

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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.