Home / 19,331.28-28,938.55-17,483.26

Finding the Fourth Proportional to 19,331.28, 28,938.55 and 17,483.26

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Solution

The fourth proportional to 19,331.28, 28,938.55 and 17,483.26 is: 26,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.28 : 28,938.55 = 17,483.26 : x
  2. Step 2: Convert to fraction form
    19,331.28/28,938.55 = 17,483.26/x
  3. Step 3: Cross multiply
    19,331.28x = 28,938.55 × 17,483.26
  4. Step 4: Simplify right side
    19,331.28x = 505,940,193.67
  5. Step 5: Solve for x
    x = 505,940,193.67/19,331.28
  6. Step 6: Final answer
    x = 26,172.10

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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.