Home / 26,186.96-36,098.32-20,509.28

Finding the Fourth Proportional to 26,186.96, 36,098.32 and 20,509.28

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Solution

The fourth proportional to 26,186.96, 36,098.32 and 20,509.28 is: 28,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.96 : 36,098.32 = 20,509.28 : x
  2. Step 2: Convert to fraction form
    26,186.96/36,098.32 = 20,509.28/x
  3. Step 3: Cross multiply
    26,186.96x = 36,098.32 × 20,509.28
  4. Step 4: Simplify right side
    26,186.96x = 740,350,552.41
  5. Step 5: Solve for x
    x = 740,350,552.41/26,186.96
  6. Step 6: Final answer
    x = 28,271.73

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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.