Home / 20,626.55-28,477.53-14,177.30

Finding the Fourth Proportional to 20,626.55, 28,477.53 and 14,177.30

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Solution

The fourth proportional to 20,626.55, 28,477.53 and 14,177.30 is: 19,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.55 : 28,477.53 = 14,177.30 : x
  2. Step 2: Convert to fraction form
    20,626.55/28,477.53 = 14,177.30/x
  3. Step 3: Cross multiply
    20,626.55x = 28,477.53 × 14,177.30
  4. Step 4: Simplify right side
    20,626.55x = 403,734,557.26
  5. Step 5: Solve for x
    x = 403,734,557.26/20,626.55
  6. Step 6: Final answer
    x = 19,573.54

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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.