Home / 21,804.81-32,727.63-10,719.45

Finding the Fourth Proportional to 21,804.81, 32,727.63 and 10,719.45

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Solution

The fourth proportional to 21,804.81, 32,727.63 and 10,719.45 is: 16,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.81 : 32,727.63 = 10,719.45 : x
  2. Step 2: Convert to fraction form
    21,804.81/32,727.63 = 10,719.45/x
  3. Step 3: Cross multiply
    21,804.81x = 32,727.63 × 10,719.45
  4. Step 4: Simplify right side
    21,804.81x = 350,822,193.40
  5. Step 5: Solve for x
    x = 350,822,193.40/21,804.81
  6. Step 6: Final answer
    x = 16,089.21

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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.