Home / 20,759.73-28,657.70-14,065.68

Finding the Fourth Proportional to 20,759.73, 28,657.70 and 14,065.68

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Solution

The fourth proportional to 20,759.73, 28,657.70 and 14,065.68 is: 19,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.73 : 28,657.70 = 14,065.68 : x
  2. Step 2: Convert to fraction form
    20,759.73/28,657.70 = 14,065.68/x
  3. Step 3: Cross multiply
    20,759.73x = 28,657.70 × 14,065.68
  4. Step 4: Simplify right side
    20,759.73x = 403,090,127.62
  5. Step 5: Solve for x
    x = 403,090,127.62/20,759.73
  6. Step 6: Final answer
    x = 19,416.93

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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.