Home / 26,238.90-39,358.02-7,519.34

Finding the Fourth Proportional to 26,238.90, 39,358.02 and 7,519.34

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Solution

The fourth proportional to 26,238.90, 39,358.02 and 7,519.34 is: 11,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.90 : 39,358.02 = 7,519.34 : x
  2. Step 2: Convert to fraction form
    26,238.90/39,358.02 = 7,519.34/x
  3. Step 3: Cross multiply
    26,238.90x = 39,358.02 × 7,519.34
  4. Step 4: Simplify right side
    26,238.90x = 295,946,334.11
  5. Step 5: Solve for x
    x = 295,946,334.11/26,238.90
  6. Step 6: Final answer
    x = 11,278.92

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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.