Home / 26,400.24-39,585.60-10,828.80

Finding the Fourth Proportional to 26,400.24, 39,585.60 and 10,828.80

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Solution

The fourth proportional to 26,400.24, 39,585.60 and 10,828.80 is: 16,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.24 : 39,585.60 = 10,828.80 : x
  2. Step 2: Convert to fraction form
    26,400.24/39,585.60 = 10,828.80/x
  3. Step 3: Cross multiply
    26,400.24x = 39,585.60 × 10,828.80
  4. Step 4: Simplify right side
    26,400.24x = 428,664,545.28
  5. Step 5: Solve for x
    x = 428,664,545.28/26,400.24
  6. Step 6: Final answer
    x = 16,237.15

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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.