Home / 28,977.40-43,441.80-15,126.40

Finding the Fourth Proportional to 28,977.40, 43,441.80 and 15,126.40

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Solution

The fourth proportional to 28,977.40, 43,441.80 and 15,126.40 is: 22,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.40 : 43,441.80 = 15,126.40 : x
  2. Step 2: Convert to fraction form
    28,977.40/43,441.80 = 15,126.40/x
  3. Step 3: Cross multiply
    28,977.40x = 43,441.80 × 15,126.40
  4. Step 4: Simplify right side
    28,977.40x = 657,118,043.52
  5. Step 5: Solve for x
    x = 657,118,043.52/28,977.40
  6. Step 6: Final answer
    x = 22,676.92

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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.