Home / 20,239.28-27,919.59-16,466.66

Finding the Fourth Proportional to 20,239.28, 27,919.59 and 16,466.66

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Solution

The fourth proportional to 20,239.28, 27,919.59 and 16,466.66 is: 22,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.28 : 27,919.59 = 16,466.66 : x
  2. Step 2: Convert to fraction form
    20,239.28/27,919.59 = 16,466.66/x
  3. Step 3: Cross multiply
    20,239.28x = 27,919.59 × 16,466.66
  4. Step 4: Simplify right side
    20,239.28x = 459,742,395.87
  5. Step 5: Solve for x
    x = 459,742,395.87/20,239.28
  6. Step 6: Final answer
    x = 22,715.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.