Home / 26,420.28-39,630.66-11,424.60

Finding the Fourth Proportional to 26,420.28, 39,630.66 and 11,424.60

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Solution

The fourth proportional to 26,420.28, 39,630.66 and 11,424.60 is: 17,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.28 : 39,630.66 = 11,424.60 : x
  2. Step 2: Convert to fraction form
    26,420.28/39,630.66 = 11,424.60/x
  3. Step 3: Cross multiply
    26,420.28x = 39,630.66 × 11,424.60
  4. Step 4: Simplify right side
    26,420.28x = 452,764,438.24
  5. Step 5: Solve for x
    x = 452,764,438.24/26,420.28
  6. Step 6: Final answer
    x = 17,137.00

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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.