Home / 28,799.57-43,136.85-13,977.34

Finding the Fourth Proportional to 28,799.57, 43,136.85 and 13,977.34

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Solution

The fourth proportional to 28,799.57, 43,136.85 and 13,977.34 is: 20,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.57 : 43,136.85 = 13,977.34 : x
  2. Step 2: Convert to fraction form
    28,799.57/43,136.85 = 13,977.34/x
  3. Step 3: Cross multiply
    28,799.57x = 43,136.85 × 13,977.34
  4. Step 4: Simplify right side
    28,799.57x = 602,938,418.98
  5. Step 5: Solve for x
    x = 602,938,418.98/28,799.57
  6. Step 6: Final answer
    x = 20,935.67

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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.