Home / 26,629.60-39,925.20-17,400.80

Finding the Fourth Proportional to 26,629.60, 39,925.20 and 17,400.80

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Solution

The fourth proportional to 26,629.60, 39,925.20 and 17,400.80 is: 26,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.60 : 39,925.20 = 17,400.80 : x
  2. Step 2: Convert to fraction form
    26,629.60/39,925.20 = 17,400.80/x
  3. Step 3: Cross multiply
    26,629.60x = 39,925.20 × 17,400.80
  4. Step 4: Simplify right side
    26,629.60x = 694,730,420.16
  5. Step 5: Solve for x
    x = 694,730,420.16/26,629.60
  6. Step 6: Final answer
    x = 26,088.65

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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.