Home / 26,881.86-40,330.99-13,743.45

Finding the Fourth Proportional to 26,881.86, 40,330.99 and 13,743.45

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Solution

The fourth proportional to 26,881.86, 40,330.99 and 13,743.45 is: 20,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.86 : 40,330.99 = 13,743.45 : x
  2. Step 2: Convert to fraction form
    26,881.86/40,330.99 = 13,743.45/x
  3. Step 3: Cross multiply
    26,881.86x = 40,330.99 × 13,743.45
  4. Step 4: Simplify right side
    26,881.86x = 554,287,073.86
  5. Step 5: Solve for x
    x = 554,287,073.86/26,881.86
  6. Step 6: Final answer
    x = 20,619.37

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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.