Home / 26,216.40-39,324.60-21,032.40

Finding the Fourth Proportional to 26,216.40, 39,324.60 and 21,032.40

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Solution

The fourth proportional to 26,216.40, 39,324.60 and 21,032.40 is: 31,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.40 : 39,324.60 = 21,032.40 : x
  2. Step 2: Convert to fraction form
    26,216.40/39,324.60 = 21,032.40/x
  3. Step 3: Cross multiply
    26,216.40x = 39,324.60 × 21,032.40
  4. Step 4: Simplify right side
    26,216.40x = 827,090,717.04
  5. Step 5: Solve for x
    x = 827,090,717.04/26,216.40
  6. Step 6: Final answer
    x = 31,548.60

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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.