Home / 26,782.90-40,177.89-9,913.63

Finding the Fourth Proportional to 26,782.90, 40,177.89 and 9,913.63

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Solution

The fourth proportional to 26,782.90, 40,177.89 and 9,913.63 is: 14,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.90 : 40,177.89 = 9,913.63 : x
  2. Step 2: Convert to fraction form
    26,782.90/40,177.89 = 9,913.63/x
  3. Step 3: Cross multiply
    26,782.90x = 40,177.89 × 9,913.63
  4. Step 4: Simplify right side
    26,782.90x = 398,308,735.64
  5. Step 5: Solve for x
    x = 398,308,735.64/26,782.90
  6. Step 6: Final answer
    x = 14,871.76

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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.