Home / 26,186.68-36,138.18-15,008.68

Finding the Fourth Proportional to 26,186.68, 36,138.18 and 15,008.68

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Solution

The fourth proportional to 26,186.68, 36,138.18 and 15,008.68 is: 20,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.68 : 36,138.18 = 15,008.68 : x
  2. Step 2: Convert to fraction form
    26,186.68/36,138.18 = 15,008.68/x
  3. Step 3: Cross multiply
    26,186.68x = 36,138.18 × 15,008.68
  4. Step 4: Simplify right side
    26,186.68x = 542,386,379.40
  5. Step 5: Solve for x
    x = 542,386,379.40/26,186.68
  6. Step 6: Final answer
    x = 20,712.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.