Home / 26,298.86-36,278.80-19,120.64

Finding the Fourth Proportional to 26,298.86, 36,278.80 and 19,120.64

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Solution

The fourth proportional to 26,298.86, 36,278.80 and 19,120.64 is: 26,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.86 : 36,278.80 = 19,120.64 : x
  2. Step 2: Convert to fraction form
    26,298.86/36,278.80 = 19,120.64/x
  3. Step 3: Cross multiply
    26,298.86x = 36,278.80 × 19,120.64
  4. Step 4: Simplify right side
    26,298.86x = 693,673,874.43
  5. Step 5: Solve for x
    x = 693,673,874.43/26,298.86
  6. Step 6: Final answer
    x = 26,376.58

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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.