Home / 26,028.09-39,042.14-12,867.21

Finding the Fourth Proportional to 26,028.09, 39,042.14 and 12,867.21

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Solution

The fourth proportional to 26,028.09, 39,042.14 and 12,867.21 is: 19,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.09 : 39,042.14 = 12,867.21 : x
  2. Step 2: Convert to fraction form
    26,028.09/39,042.14 = 12,867.21/x
  3. Step 3: Cross multiply
    26,028.09x = 39,042.14 × 12,867.21
  4. Step 4: Simplify right side
    26,028.09x = 502,363,349.89
  5. Step 5: Solve for x
    x = 502,363,349.89/26,028.09
  6. Step 6: Final answer
    x = 19,300.82

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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.