Home / 21,722.66-32,607.04-19,239.97

Finding the Fourth Proportional to 21,722.66, 32,607.04 and 19,239.97

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Solution

The fourth proportional to 21,722.66, 32,607.04 and 19,239.97 is: 28,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.66 : 32,607.04 = 19,239.97 : x
  2. Step 2: Convert to fraction form
    21,722.66/32,607.04 = 19,239.97/x
  3. Step 3: Cross multiply
    21,722.66x = 32,607.04 × 19,239.97
  4. Step 4: Simplify right side
    21,722.66x = 627,358,341.77
  5. Step 5: Solve for x
    x = 627,358,341.77/21,722.66
  6. Step 6: Final answer
    x = 28,880.36

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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.