Home / 26,324.40-39,485.76-10,521.60

Finding the Fourth Proportional to 26,324.40, 39,485.76 and 10,521.60

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Solution

The fourth proportional to 26,324.40, 39,485.76 and 10,521.60 is: 15,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,324.40 : 39,485.76 = 10,521.60 : x
  2. Step 2: Convert to fraction form
    26,324.40/39,485.76 = 10,521.60/x
  3. Step 3: Cross multiply
    26,324.40x = 39,485.76 × 10,521.60
  4. Step 4: Simplify right side
    26,324.40x = 415,453,372.42
  5. Step 5: Solve for x
    x = 415,453,372.42/26,324.40
  6. Step 6: Final answer
    x = 15,782.06

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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.