Home / 28,935.24-43,405.02-12,293.40

Finding the Fourth Proportional to 28,935.24, 43,405.02 and 12,293.40

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Solution

The fourth proportional to 28,935.24, 43,405.02 and 12,293.40 is: 18,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.24 : 43,405.02 = 12,293.40 : x
  2. Step 2: Convert to fraction form
    28,935.24/43,405.02 = 12,293.40/x
  3. Step 3: Cross multiply
    28,935.24x = 43,405.02 × 12,293.40
  4. Step 4: Simplify right side
    28,935.24x = 533,595,272.87
  5. Step 5: Solve for x
    x = 533,595,272.87/28,935.24
  6. Step 6: Final answer
    x = 18,441.02

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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.