Home / 26,220.78-39,324.96-7,500.24

Finding the Fourth Proportional to 26,220.78, 39,324.96 and 7,500.24

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Solution

The fourth proportional to 26,220.78, 39,324.96 and 7,500.24 is: 11,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.78 : 39,324.96 = 7,500.24 : x
  2. Step 2: Convert to fraction form
    26,220.78/39,324.96 = 7,500.24/x
  3. Step 3: Cross multiply
    26,220.78x = 39,324.96 × 7,500.24
  4. Step 4: Simplify right side
    26,220.78x = 294,946,637.99
  5. Step 5: Solve for x
    x = 294,946,637.99/26,220.78
  6. Step 6: Final answer
    x = 11,248.58

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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.