Home / 20,106.57-27,737.42-14,720.52

Finding the Fourth Proportional to 20,106.57, 27,737.42 and 14,720.52

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Solution

The fourth proportional to 20,106.57, 27,737.42 and 14,720.52 is: 20,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.57 : 27,737.42 = 14,720.52 : x
  2. Step 2: Convert to fraction form
    20,106.57/27,737.42 = 14,720.52/x
  3. Step 3: Cross multiply
    20,106.57x = 27,737.42 × 14,720.52
  4. Step 4: Simplify right side
    20,106.57x = 408,309,172.26
  5. Step 5: Solve for x
    x = 408,309,172.26/20,106.57
  6. Step 6: Final answer
    x = 20,307.25

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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.