Home / 26,500.51-39,685.15-19,463.84

Finding the Fourth Proportional to 26,500.51, 39,685.15 and 19,463.84

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Solution

The fourth proportional to 26,500.51, 39,685.15 and 19,463.84 is: 29,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.51 : 39,685.15 = 19,463.84 : x
  2. Step 2: Convert to fraction form
    26,500.51/39,685.15 = 19,463.84/x
  3. Step 3: Cross multiply
    26,500.51x = 39,685.15 × 19,463.84
  4. Step 4: Simplify right side
    26,500.51x = 772,425,235.88
  5. Step 5: Solve for x
    x = 772,425,235.88/26,500.51
  6. Step 6: Final answer
    x = 29,147.56

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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.