Home / 21,335.07-32,022.42-10,812.51

Finding the Fourth Proportional to 21,335.07, 32,022.42 and 10,812.51

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Solution

The fourth proportional to 21,335.07, 32,022.42 and 10,812.51 is: 16,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.07 : 32,022.42 = 10,812.51 : x
  2. Step 2: Convert to fraction form
    21,335.07/32,022.42 = 10,812.51/x
  3. Step 3: Cross multiply
    21,335.07x = 32,022.42 × 10,812.51
  4. Step 4: Simplify right side
    21,335.07x = 346,242,736.47
  5. Step 5: Solve for x
    x = 346,242,736.47/21,335.07
  6. Step 6: Final answer
    x = 16,228.81

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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.