Home / 24,740.20-34,077.54-20,247.40

Finding the Fourth Proportional to 24,740.20, 34,077.54 and 20,247.40

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Solution

The fourth proportional to 24,740.20, 34,077.54 and 20,247.40 is: 27,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,740.20 : 34,077.54 = 20,247.40 : x
  2. Step 2: Convert to fraction form
    24,740.20/34,077.54 = 20,247.40/x
  3. Step 3: Cross multiply
    24,740.20x = 34,077.54 × 20,247.40
  4. Step 4: Simplify right side
    24,740.20x = 689,981,583.40
  5. Step 5: Solve for x
    x = 689,981,583.40/24,740.20
  6. Step 6: Final answer
    x = 27,889.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.