Home / 19,122.67-28,630.85-14,428.52

Finding the Fourth Proportional to 19,122.67, 28,630.85 and 14,428.52

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Solution

The fourth proportional to 19,122.67, 28,630.85 and 14,428.52 is: 21,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.67 : 28,630.85 = 14,428.52 : x
  2. Step 2: Convert to fraction form
    19,122.67/28,630.85 = 14,428.52/x
  3. Step 3: Cross multiply
    19,122.67x = 28,630.85 × 14,428.52
  4. Step 4: Simplify right side
    19,122.67x = 413,100,576.55
  5. Step 5: Solve for x
    x = 413,100,576.55/19,122.67
  6. Step 6: Final answer
    x = 21,602.66

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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.