Home / 28,760.46-43,140.96-9,038.58

Finding the Fourth Proportional to 28,760.46, 43,140.96 and 9,038.58

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Solution

The fourth proportional to 28,760.46, 43,140.96 and 9,038.58 is: 13,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.46 : 43,140.96 = 9,038.58 : x
  2. Step 2: Convert to fraction form
    28,760.46/43,140.96 = 9,038.58/x
  3. Step 3: Cross multiply
    28,760.46x = 43,140.96 × 9,038.58
  4. Step 4: Simplify right side
    28,760.46x = 389,933,018.24
  5. Step 5: Solve for x
    x = 389,933,018.24/28,760.46
  6. Step 6: Final answer
    x = 13,557.95

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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.