Home / 15,550.20-23,325.30-15,404.40

Finding the Fourth Proportional to 15,550.20, 23,325.30 and 15,404.40

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Solution

The fourth proportional to 15,550.20, 23,325.30 and 15,404.40 is: 23,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.20 : 23,325.30 = 15,404.40 : x
  2. Step 2: Convert to fraction form
    15,550.20/23,325.30 = 15,404.40/x
  3. Step 3: Cross multiply
    15,550.20x = 23,325.30 × 15,404.40
  4. Step 4: Simplify right side
    15,550.20x = 359,312,251.32
  5. Step 5: Solve for x
    x = 359,312,251.32/15,550.20
  6. Step 6: Final answer
    x = 23,106.60

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Double scale
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Similar ratio
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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.