Home / 26,005.13-39,008.81-10,213.58

Finding the Fourth Proportional to 26,005.13, 39,008.81 and 10,213.58

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Solution

The fourth proportional to 26,005.13, 39,008.81 and 10,213.58 is: 15,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.13 : 39,008.81 = 10,213.58 : x
  2. Step 2: Convert to fraction form
    26,005.13/39,008.81 = 10,213.58/x
  3. Step 3: Cross multiply
    26,005.13x = 39,008.81 × 10,213.58
  4. Step 4: Simplify right side
    26,005.13x = 398,419,686.39
  5. Step 5: Solve for x
    x = 398,419,686.39/26,005.13
  6. Step 6: Final answer
    x = 15,320.81

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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.