Home / 21,283.20-31,944.47-10,760.62

Finding the Fourth Proportional to 21,283.20, 31,944.47 and 10,760.62

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Solution

The fourth proportional to 21,283.20, 31,944.47 and 10,760.62 is: 16,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.20 : 31,944.47 = 10,760.62 : x
  2. Step 2: Convert to fraction form
    21,283.20/31,944.47 = 10,760.62/x
  3. Step 3: Cross multiply
    21,283.20x = 31,944.47 × 10,760.62
  4. Step 4: Simplify right side
    21,283.20x = 343,742,302.77
  5. Step 5: Solve for x
    x = 343,742,302.77/21,283.20
  6. Step 6: Final answer
    x = 16,150.87

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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.