Home / 28,814.96-39,772.80-17,487.92

Finding the Fourth Proportional to 28,814.96, 39,772.80 and 17,487.92

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Solution

The fourth proportional to 28,814.96, 39,772.80 and 17,487.92 is: 24,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.96 : 39,772.80 = 17,487.92 : x
  2. Step 2: Convert to fraction form
    28,814.96/39,772.80 = 17,487.92/x
  3. Step 3: Cross multiply
    28,814.96x = 39,772.80 × 17,487.92
  4. Step 4: Simplify right side
    28,814.96x = 695,543,544.58
  5. Step 5: Solve for x
    x = 695,543,544.58/28,814.96
  6. Step 6: Final answer
    x = 24,138.28

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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.