Home / 24,138.10-33,251.06-20,541.63

Finding the Fourth Proportional to 24,138.10, 33,251.06 and 20,541.63

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Solution

The fourth proportional to 24,138.10, 33,251.06 and 20,541.63 is: 28,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.10 : 33,251.06 = 20,541.63 : x
  2. Step 2: Convert to fraction form
    24,138.10/33,251.06 = 20,541.63/x
  3. Step 3: Cross multiply
    24,138.10x = 33,251.06 × 20,541.63
  4. Step 4: Simplify right side
    24,138.10x = 683,030,751.57
  5. Step 5: Solve for x
    x = 683,030,751.57/24,138.10
  6. Step 6: Final answer
    x = 28,296.79

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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.