Home / 26,499.64-39,662.92-19,477.80

Finding the Fourth Proportional to 26,499.64, 39,662.92 and 19,477.80

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Solution

The fourth proportional to 26,499.64, 39,662.92 and 19,477.80 is: 29,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.64 : 39,662.92 = 19,477.80 : x
  2. Step 2: Convert to fraction form
    26,499.64/39,662.92 = 19,477.80/x
  3. Step 3: Cross multiply
    26,499.64x = 39,662.92 × 19,477.80
  4. Step 4: Simplify right side
    26,499.64x = 772,546,423.18
  5. Step 5: Solve for x
    x = 772,546,423.18/26,499.64
  6. Step 6: Final answer
    x = 29,153.09

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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.