Home / 22,139.60-33,209.40-17,765.60

Finding the Fourth Proportional to 22,139.60, 33,209.40 and 17,765.60

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Solution

The fourth proportional to 22,139.60, 33,209.40 and 17,765.60 is: 26,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.60 : 33,209.40 = 17,765.60 : x
  2. Step 2: Convert to fraction form
    22,139.60/33,209.40 = 17,765.60/x
  3. Step 3: Cross multiply
    22,139.60x = 33,209.40 × 17,765.60
  4. Step 4: Simplify right side
    22,139.60x = 589,984,916.64
  5. Step 5: Solve for x
    x = 589,984,916.64/22,139.60
  6. Step 6: Final answer
    x = 26,648.40

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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.