Home / 21,681.81-32,524.88-5,887.09

Finding the Fourth Proportional to 21,681.81, 32,524.88 and 5,887.09

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Solution

The fourth proportional to 21,681.81, 32,524.88 and 5,887.09 is: 8,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.81 : 32,524.88 = 5,887.09 : x
  2. Step 2: Convert to fraction form
    21,681.81/32,524.88 = 5,887.09/x
  3. Step 3: Cross multiply
    21,681.81x = 32,524.88 × 5,887.09
  4. Step 4: Simplify right side
    21,681.81x = 191,476,895.80
  5. Step 5: Solve for x
    x = 191,476,895.80/21,681.81
  6. Step 6: Final answer
    x = 8,831.22

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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.