Home / 21,389.65-32,057.74-10,293.36

Finding the Fourth Proportional to 21,389.65, 32,057.74 and 10,293.36

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Solution

The fourth proportional to 21,389.65, 32,057.74 and 10,293.36 is: 15,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.65 : 32,057.74 = 10,293.36 : x
  2. Step 2: Convert to fraction form
    21,389.65/32,057.74 = 10,293.36/x
  3. Step 3: Cross multiply
    21,389.65x = 32,057.74 × 10,293.36
  4. Step 4: Simplify right side
    21,389.65x = 329,981,751.26
  5. Step 5: Solve for x
    x = 329,981,751.26/21,389.65
  6. Step 6: Final answer
    x = 15,427.17

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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.