Home / 26,212.12-39,290.47-17,871.46

Finding the Fourth Proportional to 26,212.12, 39,290.47 and 17,871.46

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Solution

The fourth proportional to 26,212.12, 39,290.47 and 17,871.46 is: 26,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.12 : 39,290.47 = 17,871.46 : x
  2. Step 2: Convert to fraction form
    26,212.12/39,290.47 = 17,871.46/x
  3. Step 3: Cross multiply
    26,212.12x = 39,290.47 × 17,871.46
  4. Step 4: Simplify right side
    26,212.12x = 702,178,062.99
  5. Step 5: Solve for x
    x = 702,178,062.99/26,212.12
  6. Step 6: Final answer
    x = 26,788.30

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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.