Home / 20,035.60-27,639.01-18,610.87

Finding the Fourth Proportional to 20,035.60, 27,639.01 and 18,610.87

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Solution

The fourth proportional to 20,035.60, 27,639.01 and 18,610.87 is: 25,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.60 : 27,639.01 = 18,610.87 : x
  2. Step 2: Convert to fraction form
    20,035.60/27,639.01 = 18,610.87/x
  3. Step 3: Cross multiply
    20,035.60x = 27,639.01 × 18,610.87
  4. Step 4: Simplify right side
    20,035.60x = 514,386,022.04
  5. Step 5: Solve for x
    x = 514,386,022.04/20,035.60
  6. Step 6: Final answer
    x = 25,673.60

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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.