Home / 55,427.14-83,140.10-15,982.98

Finding the Fourth Proportional to 55,427.14, 83,140.10 and 15,982.98

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Solution

The fourth proportional to 55,427.14, 83,140.10 and 15,982.98 is: 23,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.14 : 83,140.10 = 15,982.98 : x
  2. Step 2: Convert to fraction form
    55,427.14/83,140.10 = 15,982.98/x
  3. Step 3: Cross multiply
    55,427.14x = 83,140.10 × 15,982.98
  4. Step 4: Simplify right side
    55,427.14x = 1,328,826,283.68
  5. Step 5: Solve for x
    x = 1,328,826,283.68/55,427.14
  6. Step 6: Final answer
    x = 23,974.29

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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.