Home / 26,439.86-36,486.65-15,109.22

Finding the Fourth Proportional to 26,439.86, 36,486.65 and 15,109.22

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Solution

The fourth proportional to 26,439.86, 36,486.65 and 15,109.22 is: 20,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.86 : 36,486.65 = 15,109.22 : x
  2. Step 2: Convert to fraction form
    26,439.86/36,486.65 = 15,109.22/x
  3. Step 3: Cross multiply
    26,439.86x = 36,486.65 × 15,109.22
  4. Step 4: Simplify right side
    26,439.86x = 551,284,821.91
  5. Step 5: Solve for x
    x = 551,284,821.91/26,439.86
  6. Step 6: Final answer
    x = 20,850.52

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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.