Home / 19,828.26-29,756.79-15,979.14

Finding the Fourth Proportional to 19,828.26, 29,756.79 and 15,979.14

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Solution

The fourth proportional to 19,828.26, 29,756.79 and 15,979.14 is: 23,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.26 : 29,756.79 = 15,979.14 : x
  2. Step 2: Convert to fraction form
    19,828.26/29,756.79 = 15,979.14/x
  3. Step 3: Cross multiply
    19,828.26x = 29,756.79 × 15,979.14
  4. Step 4: Simplify right side
    19,828.26x = 475,487,913.36
  5. Step 5: Solve for x
    x = 475,487,913.36/19,828.26
  6. Step 6: Final answer
    x = 23,980.31

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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.