Home / 28,977.90-43,442.55-15,126.90

Finding the Fourth Proportional to 28,977.90, 43,442.55 and 15,126.90

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Solution

The fourth proportional to 28,977.90, 43,442.55 and 15,126.90 is: 22,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.90 : 43,442.55 = 15,126.90 : x
  2. Step 2: Convert to fraction form
    28,977.90/43,442.55 = 15,126.90/x
  3. Step 3: Cross multiply
    28,977.90x = 43,442.55 × 15,126.90
  4. Step 4: Simplify right side
    28,977.90x = 657,151,109.60
  5. Step 5: Solve for x
    x = 657,151,109.60/28,977.90
  6. Step 6: Final answer
    x = 22,677.67

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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.