Home / 26,403.09-39,580.02-13,240.08

Finding the Fourth Proportional to 26,403.09, 39,580.02 and 13,240.08

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Solution

The fourth proportional to 26,403.09, 39,580.02 and 13,240.08 is: 19,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.09 : 39,580.02 = 13,240.08 : x
  2. Step 2: Convert to fraction form
    26,403.09/39,580.02 = 13,240.08/x
  3. Step 3: Cross multiply
    26,403.09x = 39,580.02 × 13,240.08
  4. Step 4: Simplify right side
    26,403.09x = 524,042,433.30
  5. Step 5: Solve for x
    x = 524,042,433.30/26,403.09
  6. Step 6: Final answer
    x = 19,847.77

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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.