Home / 19,223.36-28,824.54-8,681.01

Finding the Fourth Proportional to 19,223.36, 28,824.54 and 8,681.01

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Solution

The fourth proportional to 19,223.36, 28,824.54 and 8,681.01 is: 13,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.36 : 28,824.54 = 8,681.01 : x
  2. Step 2: Convert to fraction form
    19,223.36/28,824.54 = 8,681.01/x
  3. Step 3: Cross multiply
    19,223.36x = 28,824.54 × 8,681.01
  4. Step 4: Simplify right side
    19,223.36x = 250,226,119.99
  5. Step 5: Solve for x
    x = 250,226,119.99/19,223.36
  6. Step 6: Final answer
    x = 13,016.77

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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.