Home / 19,730.20-29,537.70-17,656.60

Finding the Fourth Proportional to 19,730.20, 29,537.70 and 17,656.60

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Solution

The fourth proportional to 19,730.20, 29,537.70 and 17,656.60 is: 26,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.20 : 29,537.70 = 17,656.60 : x
  2. Step 2: Convert to fraction form
    19,730.20/29,537.70 = 17,656.60/x
  3. Step 3: Cross multiply
    19,730.20x = 29,537.70 × 17,656.60
  4. Step 4: Simplify right side
    19,730.20x = 521,535,353.82
  5. Step 5: Solve for x
    x = 521,535,353.82/19,730.20
  6. Step 6: Final answer
    x = 26,433.35

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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.