Home / 26,686.51-40,028.31-13,538.54

Finding the Fourth Proportional to 26,686.51, 40,028.31 and 13,538.54

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Solution

The fourth proportional to 26,686.51, 40,028.31 and 13,538.54 is: 20,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.51 : 40,028.31 = 13,538.54 : x
  2. Step 2: Convert to fraction form
    26,686.51/40,028.31 = 13,538.54/x
  3. Step 3: Cross multiply
    26,686.51x = 40,028.31 × 13,538.54
  4. Step 4: Simplify right side
    26,686.51x = 541,924,675.93
  5. Step 5: Solve for x
    x = 541,924,675.93/26,686.51
  6. Step 6: Final answer
    x = 20,307.07

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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.