Home / 28,977.57-43,466.35-15,822.76

Finding the Fourth Proportional to 28,977.57, 43,466.35 and 15,822.76

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Solution

The fourth proportional to 28,977.57, 43,466.35 and 15,822.76 is: 23,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.57 : 43,466.35 = 15,822.76 : x
  2. Step 2: Convert to fraction form
    28,977.57/43,466.35 = 15,822.76/x
  3. Step 3: Cross multiply
    28,977.57x = 43,466.35 × 15,822.76
  4. Step 4: Simplify right side
    28,977.57x = 687,757,668.57
  5. Step 5: Solve for x
    x = 687,757,668.57/28,977.57
  6. Step 6: Final answer
    x = 23,734.14

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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.