Home / 26,276.16-39,426.48-13,129.44

Finding the Fourth Proportional to 26,276.16, 39,426.48 and 13,129.44

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Solution

The fourth proportional to 26,276.16, 39,426.48 and 13,129.44 is: 19,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.16 : 39,426.48 = 13,129.44 : x
  2. Step 2: Convert to fraction form
    26,276.16/39,426.48 = 13,129.44/x
  3. Step 3: Cross multiply
    26,276.16x = 39,426.48 × 13,129.44
  4. Step 4: Simplify right side
    26,276.16x = 517,647,603.57
  5. Step 5: Solve for x
    x = 517,647,603.57/26,276.16
  6. Step 6: Final answer
    x = 19,700.28

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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.