Home / 28,697.96-43,055.45-13,716.29

Finding the Fourth Proportional to 28,697.96, 43,055.45 and 13,716.29

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Solution

The fourth proportional to 28,697.96, 43,055.45 and 13,716.29 is: 20,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.96 : 43,055.45 = 13,716.29 : x
  2. Step 2: Convert to fraction form
    28,697.96/43,055.45 = 13,716.29/x
  3. Step 3: Cross multiply
    28,697.96x = 43,055.45 × 13,716.29
  4. Step 4: Simplify right side
    28,697.96x = 590,561,128.77
  5. Step 5: Solve for x
    x = 590,561,128.77/28,697.96
  6. Step 6: Final answer
    x = 20,578.50

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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.