Home / 18,035.80-27,013.36-10,427.76

Finding the Fourth Proportional to 18,035.80, 27,013.36 and 10,427.76

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Solution

The fourth proportional to 18,035.80, 27,013.36 and 10,427.76 is: 15,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.80 : 27,013.36 = 10,427.76 : x
  2. Step 2: Convert to fraction form
    18,035.80/27,013.36 = 10,427.76/x
  3. Step 3: Cross multiply
    18,035.80x = 27,013.36 × 10,427.76
  4. Step 4: Simplify right side
    18,035.80x = 281,688,834.87
  5. Step 5: Solve for x
    x = 281,688,834.87/18,035.80
  6. Step 6: Final answer
    x = 15,618.32

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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.